Gurukul of Excellence

Gurukul of Excellence

Classes for Physics, Chemistry and Mathematics by IITians

Join our Telegram Channel for Free PDF Download

Case Study Questions for Class 8 Science Chapter 11 Force and Pressure

Here we are providing case study questions for CBSE Class 8 Science Chapter 11 Force and Pressure .

Case Study Questions

Question 1:

Read the passage and answer the following questi ons

The discovery of atmospheric pressure gives a fact that air has weight. The weight of the atmosphere presses down on the earth’s surface and creates pressure on it. The pressure at any point exerted by the weight of the air above is called atmospheric pressure. The atmospheric pressure on the earth’s surface at sea level is one hundred thousand pascals i.e., 100 KPa. The atmospheric pressure at a place decrease with an increase in altitude. The atmospheric pressure at a place is the force exerted by the weight of the air column above that place. As we go up the length of the air column above us decreases. This means that its weight and the atmospheric pressure are smaller at higher places than at sea level. If the pressure of the atmosphere is removed suddenly, our blood vessels and tissues will rupture due to the pressure of the blood and other fluids inside. Thus, the spacemen also wear special pressurised suits as in space there is no air and hence, no air pressure. At the top of a mountain, some people can feel their ears “popping” due to a decrease in air pressure. The ears pop to balance the difference in pressure inside and outside the body.

Answer the questions given below:

a) What is atmospheric pressure? b) We know that there is a huge amount of atmospheric pressure on us. But we do not experience its effect. Why? c) Why do some people feel their ears “popping” at the top of the mountain?

a) The pressure exerted by the air around us is known as atmospheric pressure.

b) The pressure of the air inside our body is the same as that of the pressure outside. Therefore, we do not experience its effect.

c) Some people feel their ear-popping at the top of the mountain due to the decrease in the air pressure. The ears pop to balance the difference in pressures inside and outside of the body.

Related Posts

Category lists (all posts).

All categories of this website are listed below with number of posts in each category for better navigation. Visitors can click on a particular category to see all posts related to that category.

  • Full Form (1)
  • Biography of Scientists (1)
  • Assertion Reason Questions in Biology (37)
  • Case Study Questions for Class 12 Biology (14)
  • DPP Biology for NEET (12)
  • Blog Posts (35)
  • Career Guidance (1)
  • Assertion Reason Questions for Class 10 Maths (14)
  • Case Study Questions for Class 10 Maths (15)
  • Extra Questions for Class 10 Maths (12)
  • Maths Formulas for Class 10 (1)
  • MCQ Questions for Class 10 Maths (15)
  • NCERT Solutions for Class 10 Maths (4)
  • Quick Revision Notes for Class 10 Maths (14)
  • Assertion Reason Questions for Class 10 Science (16)
  • Case Study Questions for Class 10 Science (14)
  • Evergreen Science Book Solutions for Class 10 (17)
  • Extra Questions for Class 10 Science (23)
  • HOTS for Class 10 Science (17)
  • Important Questions for Class 10 Science (10)
  • Lakhmir Singh Class 10 Biology Solutions (4)
  • Lakhmir Singh Class 10 Chemistry Solutions (5)
  • Lakhmir Singh Class 10 Physics Solutions (5)
  • MCQ Questions for Class 10 Science (20)
  • NCERT Exemplar Solutions for Class 10 Science (16)
  • NCERT Solutions for Class 10 Science (15)
  • Quick Revision Notes for Class 10 Science (4)
  • Study Notes for Class 10 Science (17)
  • Assertion Reason Questions for Class 10 Social Science (14)
  • Case Study Questions for Class 10 Social Science (24)
  • MCQ Questions for Class 10 Social Science (3)
  • Topicwise Notes for Class 10 Social Science (4)
  • CBSE CLASS 11 (1)
  • Assertion Reason Questions for Class 11 Chemistry (14)
  • Case Study Questions for Class 11 Chemistry (11)
  • Free Assignments for Class 11 Chemistry (1)
  • MCQ Questions for Class 11 Chemistry (8)
  • Very Short Answer Questions for Class 11 Chemistry (7)
  • Assertion Reason Questions for Class 11 Entrepreneurship (8)
  • Important Questions for CBSE Class 11 Entrepreneurship (1)
  • Assertion Reason Questions for Class 11 Geography (24)
  • Case Study Questions for Class 11 Geography (24)
  • Assertion Reason Questions for Class 11 History (12)
  • Case Study Questions for Class 11 History (12)
  • Assertion and Reason Questions for Class 11 Maths (16)
  • Case Study Questions for Class 11 Maths (16)
  • Formulas for Class 11 Maths (6)
  • MCQ Questions for Class 11 Maths (17)
  • NCERT Solutions for Class 11 Maths (8)
  • Assertion Reason Questions for Class 11 Physics (15)
  • Case Study Questions for Class 11 Physics (12)
  • Class 11 Physics Study Notes (5)
  • Concept Based Notes for Class 11 Physics (2)
  • Conceptual Questions for Class 11 Physics (10)
  • Derivations for Class 11 Physics (3)
  • Extra Questions for Class 11 Physics (13)
  • MCQ Questions for Class 11 Physics (16)
  • NCERT Solutions for Class 11 Physics (16)
  • Numerical Problems for Class 11 Physics (4)
  • Physics Formulas for Class 11 (7)
  • Revision Notes for Class 11 Physics (11)
  • Very Short Answer Questions for Class 11 Physics (11)
  • Assertion Reason Questions for Class 11 Political Science (20)
  • Case Study Questions for Class 11 Political Science (20)
  • CBSE CLASS 12 (8)
  • Extra Questions for Class 12 Biology (14)
  • MCQ Questions for Class 12 Biology (13)
  • Case Studies for CBSE Class 12 Business Studies (3)
  • MCQ Questions for Class 12 Business Studies (1)
  • Revision Notes for Class 12 Business Studies (10)
  • Assertion Reason Questions for Class 12 Chemistry (15)
  • Case Study Based Questions for Class 12 Chemistry (14)
  • Extra Questions for Class 12 Chemistry (5)
  • Important Questions for Class 12 Chemistry (15)
  • MCQ Questions for Class 12 Chemistry (8)
  • NCERT Solutions for Class 12 Chemistry (16)
  • Revision Notes for Class 12 Chemistry (7)
  • Assertion Reason Questions for Class 12 Economics (7)
  • MCQ Questions for Class 12 Economics (1)
  • MCQ Questions for Class 12 English (2)
  • Case Study Questions for Class 12 Geography (1)
  • Assertion Reason Questions for Class 12 History (4)
  • Case Study Questions for Class 12 History (1)
  • Assertion Reason Questions for Class 12 Informatics Practices (8)
  • MCQ Questions for Class 12 Informatics Practices (5)
  • Assertion and Reason Questions for Class 12 Maths (14)
  • Case Study Questions for Class 12 Maths (13)
  • Maths Formulas for Class 12 (5)
  • MCQ Questions for Class 12 Maths (14)
  • Problems Based on Class 12 Maths (1)
  • RD Sharma Solutions for Class 12 Maths (1)
  • Assertion Reason Questions for Class 12 Physical Education (11)
  • Case Study Questions for Class 12 Physical Education (11)
  • MCQ Questions for Class 12 Physical Education (10)
  • Assertion Reason Questions for Class 12 Physics (16)
  • Case Study Based Questions for Class 12 Physics (14)
  • Class 12 Physics Conceptual Questions (16)
  • Class 12 Physics Discussion Questions (1)
  • Class 12 Physics Latest Updates (1)
  • Derivations for Class 12 Physics (8)
  • Extra Questions for Class 12 Physics (4)
  • Important Questions for Class 12 Physics (8)
  • MCQ Questions for Class 12 Physics (14)
  • NCERT Solutions for Class 12 Physics (18)
  • Numerical Problems Based on Class 12 Physics (16)
  • Physics Class 12 Viva Questions (1)
  • Revision Notes for Class 12 Physics (7)
  • Notes for Class 12 Political Science (1)
  • Assertion Reason Questions for Class 6 Maths (11)
  • Case Study Questions for Class 6 Maths (11)
  • Extra Questions for Class 6 Maths (1)
  • Worksheets for Class 6 Maths (1)
  • Assertion Reason Questions for Class 6 Science (14)
  • Case Study Questions for Class 6 Science (16)
  • Extra Questions for Class 6 Science (1)
  • MCQ Questions for Class 6 Science (9)
  • Assertion Reason Questions for Class 6 Social Science (1)
  • Case Study Questions for Class 6 Social Science (26)
  • NCERT Exemplar for Class 7 Maths (13)
  • NCERT Exemplar for Class 7 Science (19)
  • NCERT Exemplar Solutions for Class 7 Maths (12)
  • NCERT Exemplar Solutions for Class 7 Science (18)
  • NCERT Notes for Class 7 Science (18)
  • Assertion Reason Questions for Class 7 Maths (14)
  • Case Study Questions for Class 7 Maths (14)
  • Extra Questions for Class 7 Maths (5)
  • Assertion Reason Questions for Class 7 Science (18)
  • Case Study Questions for Class 7 Science (17)
  • Extra Questions for Class 7 Science (19)
  • Assertion Reason Questions for Class 7 Social Science (1)
  • Case Study Questions for Class 7 Social Science (30)
  • Assertion Reason Questions for Class 8 Maths (7)
  • Case Study Questions for Class 8 Maths (17)
  • Extra Questions for Class 8 Maths (1)
  • MCQ Questions for Class 8 Maths (6)
  • Assertion Reason Questions for Class 8 Science (16)
  • Case Study Questions for Class 8 Science (11)
  • Extra Questions for Class 8 Science (2)
  • MCQ Questions for Class 8 Science (4)
  • Numerical Problems for Class 8 Science (1)
  • Revision Notes for Class 8 Science (11)
  • Assertion Reason Questions for Class 8 Social Science (27)
  • Case Study Questions for Class 8 Social Science (23)
  • CBSE Class 9 English Beehive Notes and Summary (2)
  • Assertion Reason Questions for Class 9 Maths (14)
  • Case Study Questions for Class 9 Maths (14)
  • MCQ Questions for Class 9 Maths (11)
  • NCERT Notes for Class 9 Maths (6)
  • NCERT Solutions for Class 9 Maths (12)
  • Revision Notes for Class 9 Maths (3)
  • Study Notes for Class 9 Maths (10)
  • Assertion Reason Questions for Class 9 Science (16)
  • Case Study Questions for Class 9 Science (14)
  • Evergreen Science Book Solutions for Class 9 (15)
  • Extra Questions for Class 9 Science (22)
  • MCQ Questions for Class 9 Science (11)
  • NCERT Solutions for Class 9 Science (15)
  • Revision Notes for Class 9 Science (1)
  • Study Notes for Class 9 Science (15)
  • Topic wise MCQ Questions for Class 9 Science (2)
  • Topicwise Questions and Answers for Class 9 Science (15)
  • Assertion Reason Questions for Class 9 Social Science (15)
  • Case Study Questions for Class 9 Social Science (19)
  • CHEMISTRY (8)
  • Chemistry Articles (2)
  • Daily Practice Problems (DPP) (3)
  • Books for CBSE Class 9 (1)
  • Books for ICSE Class 10 (3)
  • Editable Study Materials (8)
  • Exam Special for CBSE Class 10 (3)
  • H. C. Verma (Concepts of Physics) (13)
  • Study Materials for ICSE Class 10 Biology (14)
  • Extra Questions for ICSE Class 10 Chemistry (1)
  • Study Materials for ICSE Class 10 Chemistry (5)
  • Study Materials for ICSE Class 10 Maths (16)
  • Important Questions for ICSE Class 10 Physics (11)
  • MCQ Questions for ICSE Class 10 Physics (4)
  • Study Materials for ICSE Class 10 Physics (8)
  • Study Materials for ICSE Class 9 Maths (7)
  • Study Materials for ICSE Class 9 Physics (10)
  • Topicwise Problems for IIT Foundation Mathematics (4)
  • Challenging Physics Problems for JEE Advanced (2)
  • Topicwise Problems for JEE Physics (1)
  • DPP for JEE Main (1)
  • Integer Type Questions for JEE Main (1)
  • Integer Type Questions for JEE Chemistry (6)
  • Chapterwise Questions for JEE Main Physics (1)
  • Integer Type Questions for JEE Main Physics (8)
  • Physics Revision Notes for JEE Main (4)
  • JEE Mock Test Physics (1)
  • JEE Study Material (1)
  • JEE/NEET Physics (6)
  • CBSE Syllabus (1)
  • Maths Articles (2)
  • NCERT Books for Class 12 Physics (1)
  • NEET Chemistry (13)
  • Important Questions for NEET Physics (17)
  • Topicwise DPP for NEET Physics (5)
  • Topicwise MCQs for NEET Physics (32)
  • NTSE MAT Questions (1)
  • Physics (1)
  • Alternating Current (1)
  • Electrostatics (6)
  • Fluid Mechanics (2)
  • PowerPoint Presentations (13)
  • Previous Years Question Paper (3)
  • Products for CBSE Class 10 (15)
  • Products for CBSE Class 11 (10)
  • Products for CBSE Class 12 (6)
  • Products for CBSE Class 6 (2)
  • Products for CBSE Class 7 (5)
  • Products for CBSE Class 8 (1)
  • Products for CBSE Class 9 (3)
  • Products for Commerce (3)
  • Products for Foundation Courses (2)
  • Products for JEE Main & Advanced (10)
  • Products for NEET (6)
  • Products for ICSE Class 6 (1)
  • Electrostatic Potential and Capacitance (1)
  • Topic Wise Study Notes (Physics) (2)
  • Topicwise MCQs for Physics (2)
  • Uncategorized (138)

Test series for students preparing for Engineering & Medical Entrance Exams are available. We also provide test series for School Level Exams. Tests for students studying in CBSE, ICSE or any state board are available here. Just click on the link and start test.

Download CBSE Books

Exam Special Series:

  • Sample Question Paper for CBSE Class 10 Science (for 2024)
  • Sample Question Paper for CBSE Class 10 Maths (for 2024)
  • CBSE Most Repeated Questions for Class 10 Science Board Exams
  • CBSE Important Diagram Based Questions Class 10 Physics Board Exams
  • CBSE Important Numericals Class 10 Physics Board Exams
  • CBSE Practical Based Questions for Class 10 Science Board Exams
  • CBSE Important “Differentiate Between” Based Questions Class 10 Social Science
  • Sample Question Papers for CBSE Class 12 Physics (for 2024)
  • Sample Question Papers for CBSE Class 12 Chemistry (for 2024)
  • Sample Question Papers for CBSE Class 12 Maths (for 2024)
  • Sample Question Papers for CBSE Class 12 Biology (for 2024)
  • CBSE Important Diagrams & Graphs Asked in Board Exams Class 12 Physics
  • Master Organic Conversions CBSE Class 12 Chemistry Board Exams
  • CBSE Important Numericals Class 12 Physics Board Exams
  • CBSE Important Definitions Class 12 Physics Board Exams
  • CBSE Important Laws & Principles Class 12 Physics Board Exams
  • 10 Years CBSE Class 12 Chemistry Previous Year-Wise Solved Papers (2023-2024)
  • 10 Years CBSE Class 12 Physics Previous Year-Wise Solved Papers (2023-2024)
  • 10 Years CBSE Class 12 Maths Previous Year-Wise Solved Papers (2023-2024)
  • 10 Years CBSE Class 12 Biology Previous Year-Wise Solved Papers (2023-2024)
  • ICSE Important Numericals Class 10 Physics BOARD Exams (215 Numericals)
  • ICSE Important Figure Based Questions Class 10 Physics BOARD Exams (230 Questions)
  • ICSE Mole Concept and Stoichiometry Numericals Class 10 Chemistry (65 Numericals)
  • ICSE Reasoning Based Questions Class 10 Chemistry BOARD Exams (150 Qs)
  • ICSE Important Functions and Locations Based Questions Class 10 Biology
  • ICSE Reasoning Based Questions Class 10 Biology BOARD Exams (100 Qs)

✨ Join our Online JEE Test Series for 499/- Only (Web + App) for 1 Year

✨ Join our Online NEET Test Series for 499/- Only for 1 Year

Leave a Reply Cancel reply

Join our Online Test Series for CBSE, ICSE, JEE, NEET and Other Exams

Join Telegram Channel

Editable Study Materials for Your Institute - CBSE, ICSE, State Boards (Maharashtra & Karnataka), JEE, NEET, FOUNDATION, OLYMPIADS, PPTs

Discover more from Gurukul of Excellence

Subscribe now to keep reading and get access to the full archive.

Type your email…

Continue reading

case study of force and pressure class 8

Force and Pressure Class 8 Science Extra Questions and Answers

Force and Pressure Class 8 Science Chapter 11 Extra Questions and Answers are provided here. We prepared these extra questions based on the latest NCERT Class 8 Science Book. CBSE Class 8 Science Chapter 11 Force and Pressure Extra Questions will help you to properly understand a particular concept of the chapter.

Class 8 Science Chapter 11 Force and Pressure Extra Questions

Very short answer type question.

Question 1: What is the unit of force?

Answer: Newton

Question 2: Give one example where force moves a stationary object.

Answer: Pushing a chair

Question 3: Give one example where force stops a moving object.

Answer: A fielder stopping a ball

Question 4: What is force?

Answer: A push or a pull on an object is called a force.

Question 5: Does liquid exert pressure in all directions?

Answer: Yes, Liquid exerts pressure in all directions.

Question 6: Why does the shape of tooth paste tube change when we squeeze it?

Answer: The shape changes because our finger applies force on the tube.

Question 7: What can bring change in state of motion of an object?

Answer: A force may bring a change in the state of motion of an object.

Question 8: Which force can be used to gather iron pins scattered on the floor?

Answer: Magnetic force can be used to gather iron pins scattered on the floor.

Question 9: Which force do the animals apply while moving, chewing and doing other activities?

Answer: Muscular force

Question 10: Which force is responsible for raising our body hair when we try to take off a terylene or polyester shirt in the dry weather?

Answer: Electrostatic force

Question 11: Write one example where force changes the speed of a moving object.

Answer: Speed of moving a rubber tyre or a ring increases whenever it is pushed.

Question 12: Why does a boat come to rest when we stop rowing it?

Answer: Friction between water and the boat brings it to a stop once we stop rowing.

Question 13: Write any two application of atmospheric pressure in our everyday life.

Answer: Drinking straw and Dropper work on the existence of atmospheric pressure.

Question 14: What is pressure?

Answer: The force acting on a unit area of a surface is called pressure. Pressure = force / area on which it acts

Question 15:   Give one practical application of magnetic force.

Answer: The closing of door of refrigerator works on the application of magnetic forces.

Question 16: Give one example from daily life where force changes the shape of an object.

Answer: Example: The shape of dough changes on pressing with a rolling pin to make chapatis

Short Answer Type Questions

Question 1: Explain why, snow shoes stop you from sinking into snow.

Answer: The snow shoes have large, flat soles so they exert less on the soft snow and stop the wearer from sinking into it.

Question 2: What happens to the springs fixed to the seat of a bicycle when we sit on it?

Answer: When we sit on the seat of a bicycle, the force exerted by the body weight compresses the spring and changes its shape.

Question 3:  Why do balloons expand when filled with air? Or Why does the balloon get inflated? Or What makes a balloon get inflated when air is filled in it?

Answer: Air exerts pressure on the inner walls of balloon causes it to expand and get inflated.

Question 4:  Explain why, a wide steel belt is provided over the wheels of an army tank.

Answer: The wide belts increase the area and reduce the pressure. This avoids sinking of the tank into the ground.

Question 5:  Which force makes a rolling ball stop on its own? Or Why is a ball rolling along the ground gradually slows down and finally comes to rest? Or What makes a ball to stop when it is rolling? Or Why does a moving ball stop?

Answer: It is the force of friction between the surface of the ball and the ground that brings the moving ball to rest.

Question 6: What is muscular force? Give one example.

Answer: The force resulting due to the action of muscles is known as the muscular force. Example: lifting a bucket of water.

Question 7: What is described as a change in its state of motion?

Answer: A change in either the speed of an object, or its direction of motion, or both, is described as a change in its state of motion.

Question 8: What is meant by a contact force? Give an example.

Answer: Force that can be applied only when it is in contact with an object, it is also called a contact force. Example: lifting a bucket of water.

Question 9: Explain, why magnetic force is said to be a non-contact force.

Answer: A magnet can exert a force on another magnet without being in contact with it. The force exerted by a magnet is an example of a non-contact force.

Question 10: Why do the shape and size of balloon change when filled with air or water?

Answer: The high pressure produced by the gas or water molecules on the walls of balloon causes it to expand and get inflated.

Question 11: Why water comes out more slowly from an upstairs tap than from a similar tap downstairs?

Answer: This is so because water pressure is less in the upstairs tap due to lesser depth.

Question 12: Why are we not crushed by atmospheric pressure? Or If the pressure due to the atmosphere is so great, then why are we not crushed by it?

Answer: We do not get crushed because the atmospheric pressure acting on our body from outside is balanced by the blood pressure acting from inside.

Question 13: What is frictional force? Or What is friction?

Answer: The force that always acts on all the moving object and its direction is always opposite to the direction of motion is called frictional force (or friction).

Question 14: Why does a sharp knife cut better than a blunt knife?

Ans. Lesser the area, larger the pressure for the same force applied. Therefore, it is easier to cut with sharp knives than blunt ones, with same force.

Question 15: What is meant by atmospheric pressure?

Answer: The atmospheric air extends up to many kilometres above the surface of the earth. The pressure exerted by this air is known as atmospheric pressure.

Question 16: Give two examples of contact forces.

Answer: The examples of contact forces are:

  • Muscular force
  • Frictional force

Question 17: A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?

Answer: When a blacksmith hammers a hot piece of iron, he uses his muscular force. This muscular force changes the shape of the iron.

Question 18: What is meant by a non-contact force? Give an example.

Answer: A force that can be exerted by an object even from a distance is called a non-contact force. The force exerted by a magnet is an example of a non-contact force.

Question 19: What do you understand by state of Motion?

Ans. The state of motion of an object is described by its speed and the direction of motion. The state of rest is considered to be the state of zero speed. An object may be at rest or in motion; both are its states of motion.

Question 20: Why the tools meant for cutting and piercing always have sharp edges?

Answer: The cutting edges of tools like blades, knives etc., are provided with sharp edges to cut the things easily because the smaller the area, larger the pressure on a surface for the same force.

Question 22: Explain why, the tip of a sewing needle is sharp.

Answer: The tip of the sewing needle is sharp so that due to its sharp tip, the needle may put the force on a very small area of the cloth, producing a large pressure sufficient to pierce the cloth being stitched.

Question 23: “When a ball is dropped from a height, its speed increases gradually.” Name the force which causes this change in speed.

Answer: The force of gravity causes all the objects to fall towards the earth. Thus, when a ball is dropped from a height, its speed increases gradually because of the force of gravity acting on it.

Question 24: Explain why, porters place a thick, round piece of cloth on their heads when they have to carry heavy loads.

Answer: By this they increase the area of contact of the load with their head. So, the pressure on their head is reduced and they find it easier to carry the load.

Question 25: Explain now why shoulder bags are provided with broad straps and not thin straps? Or Why the straps of school bags are made broader? Or Why is it comfortable to lift a school bag with broad straps than thin straps?

Answer: Shoulder bags are provided with broad straps and not thin strap so that the weight of the bag may fall over a large area of the shoulder of the child producing less pressure on the shoulder.

Question 26: A small device pulls iron nails from a distance. Which type of force is involved in this process?

Answer: Magnetic force is involved in this process. The magnetic force acts even from a distance. The magnet exerts a magnetic force on objects made of iron, steel, nickel and cobalt.

Question 27: Write one example where force changes the direction of a moving object.

Answer: In cricket, a batsman plays his or her shot by applying a force on the ball with the bat. In this example the speed and the direction of the moving ball change due to the application of a force.

Question 28:  In a tug of war; when the two teams are pulling the rope, a stage comes when the rope does not move to either side at all. What can you say about the magnitudes and directions of the forces being applied to the rope by the two teams at this stage?

Answer: If there is no movement on either side, the force applied from both side is equal in magnitude.

Question 29:  Give three examples of non-contact forces.

Answer: The examples of non-contact forces are:

  • Magnetic force
  • Electrostatic force
  • Gravitational force

Long Answer Type Questions

Question 1:  Explain why, frictional force is said to be a contact force.

Answer: The force of friction always acts on all the moving objects and its direction is always opposite to the direction of motion. Since the force of friction arises due to contact between surfaces, it is an example of a contact force.

Question 2: Explain why the walls of a dam are thicker near the bottom than at the top.

Ans. The walls of a dam are much thicker at the bottom than it is at the top. This is because the pressure of the water is much greater deeper down and the dam needs to be thick at the bottom so that it is strong enough to withstand this larger pressure.

Question 3: A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad.

Answer: The two forces acting on the rocket are the force of gravity, which pulls the rocket towards the ground, and the force of friction due to earth’s atmosphere, which opposes its motion.

Question 4: What is meant by gravitational force (or force of gravity)? Give its one example.

Answer: Every object in the universe, whether small or large, exerts a force on every other object. This force is known as the gravitational force. Example: Water begins to flow towards the ground as soon as we open a tap.

Question 5: Give two examples of situations in which applied force causes a change in the shape of an object.

Answer: Two examples in which applied force causes a change in the shape of an object are:

  • The shape of dough changes on pressing with rolling pin to make chapatis.
  • The shape of a toothpaste tube changes when we squeeze it.

Question 6: What are the various effects of force?

Answer: Effects of force are:

  • It may make an object move from rest.
  • It may change the speed of an object if it is moving.
  • It may change the direction of motion of an object.
  • It may bring about a change in the shape of an object.

Question 7: Why a fountain of water is created at the leaking joints or holes of pipes of the main water supply line?

Answer: Many times we see a fountain of water rushing out of the leaking joints (or holes) in the pipes of main water supply line. It is due to the very high pressure exerted by water on the sides (or walls) of the pipes that such a fountain of water is formed.

Question 8: Why does the liquid rise in a syringe when its piston is pulled up? Or How does a liquid medicine enter a syringe?

Answer: When the nozzle of a syringe is dipped in a liquid and its piston is withdrawn, the pressure inside the syringe is lowered. The greater atmospheric pressure acting on the surface of the liquid pushes the liquid up into the syringe.

Question 9: Why nose bleeding occurs at high altitudes? Or Why do mountaineers suffer from nose bleeding at high altitudes?

Answer: At high altitudes, the atmospheric pressure becomes much less than our blood pressure. Since, our blood is at higher pressure than outside pressure, therefore, some of the blood vessels in our body burst and nose bleeding takes place at high altitudes.

Question 10: Does application of a force would always result in a change in the state of motion of the object?

Answer: No. Many a time application of force does not result in a change in the state of motion. For example, a heavy box may not move at all even if you apply the maximum force that you can exert. Again, no effect of force is observed when you try to push a wall.

Question 11: Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket do not bring a change in its state of motion.

Answer: In this case, muscular force is acting in upward direction and the force of gravity is acting in downward direction. The two forces are equal in magnitude but opposite in direction. Therefore, the net force on the bucket is zero. Hence, there is no change in its state of motion.

Question 12: Why atmospheric pressure decreases as we go higher up above the earth’s surface?

Answer: The pressure at any level in the atmosphere may be interpreted as the total weight of the air above a unit area at any elevation. Since most of the atmosphere’s molecules are held close to the earth’s surface by the force of gravity, air pressure decreases as we go higher up above the earth’s surface.

Question 13: What happens when a charged plastic straw is brought near another uncharged plastic straw?

Answer: A straw is said to have acquired electrostatic charge after it has been rubbed with a sheet of paper. Such a straw is an example of a charged body. A straw rubbed with paper attracts another straw but repels it if it has also been rubbed with a sheet of paper.

Question 14: Why does a plastic comb rubbed with dry hair attract tiny pieces of paper?

Answer: When a plastic comb is rubbed in dry hair, the comb gets electric charges by friction. And when this electrically charged comb is brought near tiny pieces of paper, it exerts an electrostatic force of attraction on them. Due to this electrostatic force, the tiny pieces of paper move towards the comb and stick to it.

Question 15: What is meant by saying that force is due to interaction?

Answer: Example: Suppose a man is standing behind a stationary car. The car will not move just due to his presence. Suppose the man now begins to push the car, that is, he applies a force on it. The car may begin to move in the direction of the applied force.

From the above example, we can infer that at least two objects must interact for a force to come into play.

Question 16: If the area of my head were 10 cm × 10 cm, how much weight of air would I be carrying on my head? Why don’t we feel the weight of such a huge amount of air on us?

Answer: The weight of air in a column of the height of the atmosphere and area 10 cm × 10 cm is as large as 1000 kg. The reason we are not crushed under this weight is that the pressure inside our bodies is also equal to the atmospheric pressure and cancels the pressure from outside.

Question 17: If a vacuum is created between two Magdeburg hemispheres joined together, they cannot be separated easily. Give reason. Or Why do Magdeburg hemispheres stick together?

Answer: This is due to the fact that since there is no air inside, the unopposed atmospheric pressure acting over the whole surface of the hemispheres from outside presses them very, very hard and does not allow them to be separated.

Question 18: How does a rubber sucker work?

Answer: When we press the sucker, most of the air between its cup and the surface escapes out. The sucker sticks to the surface because the pressure of atmosphere acts on it. To pull the sucker off the surface, the applied force should be large enough to overcome the atmospheric pressure. In fact, it would not be possible for any human being to pull the sucker off the surface if there were no air at all between the sucker and the surface.

Question 19: Give two examples each of situations in which you push or pull to change the state of motion of objects.

Answer: Objects are pushed or pull in order to change the state of motion.

Examples of push are:

  • We push the door to open it.
  • A football player kicks the ball.

Examples of pull are:

  • We pull the door to close it.
  • Opening a drawer.

Question 20: An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall?

Answer: When inflated balloon is rubbed with a piece of synthetic cloth, it gets electrically charged. A charged body exerts an electrostatic force on uncharged body. Thus, when the charged balloon is pressed against a wall, it sticks to the wall because of the electrostatic force acting between the charged balloon and the wall.

Question 21: Explain why, when a person stands on a cushion, the depression is much more than when he lies down on it.

Answer: When a man stands on a cushion then only his two feet are in contact with the cushion. Due to this, the weight of man falls on a small area of cushion producing a large pressure. This large pressure causes a big depression in the cushion. On the other hand, when the same man is lying on the cushion, then his whole body is in contact with the cushion. In this case, the weight of man falls on a much larger area of the cushion producing much smaller pressure. And this smaller pressure produces a very little depression in the cushion.

At Study Path, you can also learn more about Class 8 Science Chapter 11 Force and Pressure by accessing the free exhaustive list of study materials and resources related to the chapter such as NCERT Solutions, Notes, Important Questions, and MCQ.

Talk to our experts

1800-120-456-456

  • Important Questions for CBSE Class 8 Science Solutions Chapter 11 - Force and Pressure

ffImage

CBSE Class 8 Science Chapter-11 Important Questions - Free PDF Download

Class 8 is one of the most important classes for a student where all the fundamentals of every subject are present. If someone understands class 8 contents properly then it will be equally beneficial for them in the higher standards. The important questions for class 8 science chapter 11 are all there to help you score good marks in exams. Chapter 11 of Class 8 Science Subject is all about force, pressure, and related terminologies. It gives you the definition of force, types of force like electrostatic, contact, and gravitational types. The chapter also focuses on concepts of pressure. Here you don't have to spend time making important notes and taking down questions. We have selected the best force and pressure class 8 important questions answers for your understanding.

Register online for Class 8 Science tuition on Vedantu.com to score more marks in your examination.

Vedantu is a platform that provides free CBSE Solutions (NCERT) and other study materials for students. Maths Students who are looking for the better solutions ,they can download Class 8 Maths NCERT Solutions to help you to revise complete syllabus and score more marks in your examinations.

(Image will be uploaded soon)

Important Topics Covered in Class 8 Science Solutions 

Here are some important topics and subtopics of Chapter 11 - Force and Pressure that students must go through to study meticulously to excel in the subject. Our NCERT Solutions are prepared to keep in mind these important topics. 

Force – A Push or a Pull

Forces are due to an Interaction

Exploring Forces

A Force can Change the State of Motion

Force can Change the Shape of an Object

Contact Forces

Non-Contact Forces

Pressure Exerted by Liquids and Gases

Atmospheric Pressure

Study Important Questions for Class 8 Science Chapter 11 – Force and Pressure

Multiple Choice Questions

1. Which one of the following forces always opposes motion?

gravitational force

electrostatic force

muscular force

Ans: D. friction

2. Pressure is defined as _____________.

force per unit area

force per square unit area

force per area

Ans : A. force per unit area

3. Which one of the following statements is false about force.

Forces applied to an object need not to be in the same direction.

No objects interaction is required for a force to come into play.

Motion imparted to objects will be due to the action of a force.

The strength of a force is usually expressed by its magnitude.

Ans : B. No objects interaction is required for a force to come into play.

4. When a force applied on an object are equal and opposite, then this force

May move the object.

Change the shape of the object and may move the object.

May stop a moving object.

Do not move the object but may cause a change in its shape.

Ans: D. Do not move the object but may cause a change in its shape.

5. Leaves and fruits fall to the ground when they get detached from a plant. Which one of the following forces is acting on it?

magnetic force

Ans: C. gravitational force

6. Which one of the following is an example of contact force?

Ans: B. muscular force

Very Short Answer Questions                                                           1 Marks

1. What is a force?

Ans: Force is a push or a pull exerted on one object from another.

2. The strength of a force is usually expressed by its_______________.

Ans: Magnitude.

3. Objects or things fall towards the earth because it pulls them. This force is called the ______.

Ans: Force of gravity or gravitational force.

4. Write the formula to find out pressure.

Ans : The formula of pressure is:

Pressure= Force/Area

5. State whether the following statement is True or False.

Gases exert pressure on the walls of their container.

Ans: True. Gaseous particles move randomly and due to this motion, they also hit the walls of the container, thus creating pressure on its walls.

6. The pressure exerted by this air is known as __________________.

Ans: Atmospheric pressure.

7. Which force acts on every object in the universe?

Ans: Gravitational force acts on every object in the universe.

Short Answers Questions                                                                   2 Marks

1. Find out the type of force acting on the below situations.

A coin or a pen falls to the ground when it slips out of your hand.

Ans: Gravitational force acts when something falls to the ground after slipping out of our hand.

A boat comes to rest if we stop rowing it.

Ans: A boat comes to rest if we stop rowing due to friction.

When a person lifts a bucket of water.

Ans: Muscular force acts when a person lifts a bucket of water.

2. Describe the state of motion of an object.

Ans: The motion of an object is defined by its speed and direction. The resting state is considered to be the state of zero speed. An object may rest or move; these can be its two states of motion.

3. Write one point of difference between contact and non-contact force with an example.

Ans: A point of difference between contact and non-contact force along with an example is provided below,

4. Why do you think a ball rolling along the ground gradually slows down and comes to rest?

Ans: A ball rolling along the ground gradually slows down and comes to rest due to friction. This force of friction acts between the surface of the ball and the ground and acts opposite to the direction of motion which brings the ball to rest after some time.

5. Porters place a round piece of cloth on their heads when they have to carry heavy loads. Why?

Ans: Porters place a round piece of cloth on their head when they have to carry heavy loads because this increases the area of contact of the load and their head which decreases the pressure on their head. Since pressure is inversely proportional to the area of contact. This makes it easier for porters to carry heavy loads.

6. What type of force is friction – contact or non-contact? Why?

Ans: Friction is a contact force because it arises due to contact between two surfaces. The surface of contact witnesses’ frictional motion while rubbing against each other. This force acts in the direction opposite to the direction of motion.

7. Why do you think pressure acts on the area of a surface?

Ans: Pressure is inversely proportional to the area of the surface, that is, a small area will provide greater pressure with the same amount of force applied. This means that a pointed needle will hurt more or exert more pressure than a plank of wood with the same force applied on both.

8. Do you think sometimes the application of force does not result in a change in the state of motion? Describe with an example.

Ans: Sometimes application of force does not result in a change in the state of motion. This does not mean that force is not applied instead, it means that the force applied is not enough to move the object.

For example, applying pressure on a  wall or a heavy stone and may not move.

9. Why does a rubber sucker stick to the surface of any object?

Ans: The rubber sucker sticks to the surface of any object because of the pressure of the atmosphere that acts on it.

10. Define muscular force. Give examples.

Ans: The force exerted due to the action of the muscles of someone’s body is called muscular force. For example, running, lifting something, jumping, etc.

11. Write a short on the electrostatic force.

Ans : Electrostatic force is the force caused due to attraction or repulsion of electric charges between two particles. This is a non-contact force, therefore it acts when two charged bodies are brought closer to each other. It is also known as Coulomb’s force.

Long Answer Questions                                                                    3 Marks

1. Describe an activity to show that ‘a force can change the state of motion.

Ans: To show that a force can change the state of motion place a rubber ball on any flat surface. Now, push the ball in any direction along the surface. Pushing it again increases its speed while placing a palm in front of it stops its motion and brings the ball to rest. It will move again if a force is applied to it. This proves that a force can change the state of motion.

2. What are the effects of the application of force on an object? Explain.

Ans: The effects of the application of force on an object are:

a. The shape of an object can be changed.

For example, a cricket ball changes its shape temporarily when hit by the bat.

b. The direction of a moving object can be changed.

For example, the direction of the cricket ball changes when hit by the bat.

c. A moving object can be brought to rest.

For example, putting a hand in front of a rolling ball brings it to rest.

d. A stationary object can be brought to motion.

For example, rolling a stationary ball on a plane surface brings it to motion.

e. It can change the speed of an object.

For example, further pushing a rolling ball on a surface in the same direction as its motion increases its speed.

3. Demonstrate an experiment to show that liquids exert pressure on the walls of the container.

Ans: To show that liquids exert pressure on the walls of the container, take a plastic bottle and fix a cylindrical glass tube of a few centimetres near its bottom. To do this, you can simply heat an end of the glass tube and insert it immediately near the bottom of the plastic bottle. Seal any leakage, if present, with molten wax. Now, cover the open end of the glass tube with a thin rubber sheet. Fill half of the bottle with water.

Note that the rubber sheet bulges out due to the pressure applied by water. This proves that liquids exert pressure on the walls of the container.

Class 8 Science Chapter 11 Content

Chapter 11 is all about the fundamental concepts of pressure and force. The chapter starts with the learning force as a result of pushing and pulling along with forces due to an interaction. As one dive deeper into the chapter, you will explore forces, their magnitude, difference between them, qualitative and quantitative analysis. Next, you have the different applications of force. It can change the state of motion and also the shape of an object. Here you get to learn about how to apply force and what are the actions produced by it. Questions from all these sections are there in class 8 force and pressure cbse important questions.

Next, we have contact forces that start with muscular force about how you can push or lift an object easily. Then there is a short introduction on friction after which the section for noncontact forces starts. Here you will get to learn about certain types of forces like magnetic, electrostatic, and gravitational. Further, you have pressure where one will learn about the formula relating to force and pressure which is one of the basic formulas of physics. Then one will get to learn about the application of pressure on gases and liquids. There are various experiments and activities which will help you understand better. Lastly, there is an introduction and activity related to atmospheric pressure. The chapter serves as the foundation for physics in higher classes. And only important questions for class 8 science chapter 11 can help you learn better.

Force And Pressure Class 8 Important Questions Answers – Long Type

There are plenty of class 8 forces and pressure cbse important questions. But here we have picked up some of the important ones.

1. Describe the Various Types of Forces.

Answer: Just by contacting or even from a distance, any force can act on a body. Hence, forces can be further classified into majorly two types: Contact forces and Non Contact forces.

Contact forces are the ones who act on a body as a result of applying indirect or direct physical contact. Generally frictional and muscular force examples of contact forces. The action of muscles tends to produce a force which is known as the muscular force. While, there is a constant force that resists the mutual motion between solid surfaces, material surfaces, or fluid layers that are sliding against each other. It is known as the frictional force or just friction.

Non-contact forces are the exact opposite of the contact once. Here there is no direct contact between the two bodies who are applying forces to each other. The electrostatic, magnetic, and gravitational forces examples falling under this section. The electrostatic force is the force that is exerted by a charged particle on another body. The magnetic force is the force that is exerted by a magnetic material or a magnet on another magnet or similar material. While the gravitational force or simply gravity is the Earth’s attractive force which is exerted upon all its objects.

Force And Pressure Class 8 Important Questions Answers – Short Type

There are plenty of class 8 science chapter 11 important questions. But here we have picked up some of the important ones.

1. Differentiate Between Non-Contact and Contact Forces.

Answer: Non-contact forces are the ones that can be applied to a body without direct or indirect contact. Examples of such forces are magnetic, electrostatic, and gravitational. Contact forces on the other hand are the exact opposite of non-contact forces as they can be applied to a body by coming in direct contact or touching. Examples of such force are muscular and frictional.

2. Why is it More Difficult to Walk with Sharp Heels on Sand Than with Flat Slippers?

Answer: A sharp heeled shoe will have a little area in touch with the sand. It exerts a much greater pressure on the sand. Hence, it is difficult to walk with high heels as the heels sink deeper into the sand due to high pressure. On the other hand, for flat slippers, a larger amount of area is in contact with the sand. It exerts a much lower pressure on the sand. Therefore, it is much easier to walk on the sand with flatter shoes than with high heels.

3. Describe the Force Effects on an Object.

Answer: It is very common in class 8 science chapter 11 important questions. Force can change the shape of an object but also can change the motion state too. It can also change the speed of an object, turn it or change its direction.

4. An Electromagnet is Sticking to a Car at a Junkyard. Name the Forces and Which is Higher.

Answer: The weight of the car or gravitational force acts downward. While the force of magnetic attraction acts in an upward direction. The gravitational force is lesser than the magnetic force.

Chapter 11 Science Class 8 Important Questions

Let’s take a look at some of the important questions which are mentioned below:

The dough is rolled in the form of a chapati. What is the force that is changing the shape of the dough?

How to check whether an object is moving slower than the other?

Two forces are operating in the same direction. What will be the result?

Why does the ball start moving from rest when it is pushed?

Discuss the pressure exerted by gases and liquids.

Why is the electrostatic force a type of non-contact force?

Why are the wheels of cars and scooters lighter than that of buses and trucks?

What is the effect of gravitational force on dust?

Does gravity exist between astronauts in space? Explain.

It is difficult to burst an inflated balloon with your finger but it becomes easier with the needle. Why?

How is atmospheric pressure measured?

Small pieces fall while sieving grains. What is the force pulling them down?

Why do two thermocol balls move further away from each other when placed closely ? Explain the phenomenon.

Benefits of Force And Pressure Class 8 Important Questions Answers

There are various benefits of force and pressure class 8 important questions as it has been prepared by the best faculties from all over the country. It is an essential study material available for class 8 students. Here all the questions can clear your concepts from the very basics. The solutions will help you understand what to write in the exams to fetch more marks. It helps the student to understand where they need to concentrate and practice more. One gets a clear idea about the question paper pattern. It will help you to prepare for the exams and revise properly for all subparts. Students will understand their time management capabilities on where they require more time to solve. It will increase their efficiency levels to score full marks.

Force And Pressure Class 8 Preparation

The force and pressure class 8 important questions answers will help you with the ultimate preparation to achieve academic supremacy. The force and pressure chapter has a lot of portions and concepts that require clarity. Memorizing would not help because often you get analytical reasoning questions in the exam. The questions will help you understand the syllabus better. Not only does one need to complete the syllabus, but also revise all the concepts. The solutions are there with proper steps and easy language for the students to grasp. The chapter-wise solutions are exam preparation tools. You get to know about the keywords which will fetch you marks. The questions and solutions have been prepared in complete accordance with the current CBSE syllabus by expert professionals. All the solutions are given in the order of the chapter so that a student is not confused about what to study.

Solved Examples

1. Which is a Contact Force?

a. Friction

c. Electrostatic

d. Magnetic

Answer: Option a.

2. The Force Strength is Expressed by Which Property?

b. Latitudinal Force

c. Longitudinal Force

d. Magnitude

Answer : Option d.

3. What Does Force Change in an Object?

c.  Motion

D. All of the above

Answer: Option d.

4. What Does a Spring Balance Measure?

c.  Mass

d. Pressure

Answer: Option b.

5. Two Forces are Acting In Different or Opposite Directions. What is the Net Pressure Across Them?

a. Summation of the forces.

b. The difference between the forces.

c. Both of the above

d. None of the above

Answer : Option b.

The NCERT Important Questions with Solutions for Class 8 Science Chapter 11 - Force and Pressure by Vedantu are prepared to aid students in focusing on all the important concepts of the chapter by making them solve the extra questions. 

The detailed and accurate solutions created by our experts ensures to improve students’ conceptual knowledge. With our Important Question with Solutions, students will be able to answer the textbook questions quickly and will know the best ways to write an answer to score better in the exams. Thus, download the free PDF of Important Questions for CBSE Class 8 Science Chapter 11 - Force and Pressure today.

Conclusion 

Vedantu's offering of " Important Questions for CBSE Class 8 Science Solutions Chapter 11 - Force and Pressure" is an invaluable resource for students. These questions are strategically curated to focus on key scientific concepts related to force and pressure, aiding in comprehensive exam preparation. Vedantu's commitment to providing these resources enhances accessibility to quality educational materials, empowering students in their academic journey. By offering these important questions, Vedantu not only promotes excellence in scientific studies but also cultivates critical thinking skills, encouraging students to delve deeper into the fascinating world of forces and their effects. They serve as a pivotal tool for nurturing scientific curiosity and understanding, reflecting Vedantu's admirable dedication to education and scientific exploration.

arrow-right

FAQs on Important Questions for CBSE Class 8 Science Solutions Chapter 11 - Force and Pressure

Q1. What is a force according to Chapter 11 of Class 8 Science?

Ans: Any push or pull applied on a body is termed as the force. When a person applies force on an object, work is being done. The body will move from its original position if the force applied is more than the weight of the body. The body will not move from its original position if the force applied is not more than the weight of the body. For example, if a man tries to move a table, it will get displaced easily. Refer to Vedantu’s NCERT solutions or important questions to understand the types of questions you can expect in the exam.

Q2. What is pressure according to Chapter 11 of Class 8 Science?

Ans: Pressure is a quantity measured by the force applied to a unit area. Pressure helps in our daily lives. For example, the porter keeps a broader cloth on his head when he has to carry heavy loads. This is because when he makes the cloth broader it increases the area of contact and this will help to reduce the pressure on the head. Thus, understanding the relation between pressure, force, and area of contact is important for the students to understand the daily living activities. 

Q3. What tricks can reduce the pressure in everyday activities according to Chapter 11 Force And Pressure Class 8 Science?

Ans: Pressure can be reduced in everyday activities by increasing the area of contact with the surface. For example, the straps of school bags are made broader and not thin. This is because when straps are made broader this increases the area of contact and the weight of the bag will fall over a larger area on the shoulder of children. This will help in reducing the pressure on the shoulders of children and make it easier to carry heavy school bags. 

Q4. What do you know about contact and non-contact forces?

Ans: Contact forces are the forces that can be applied when two bodies come in contact with each other. The bodies should be in direct or indirect contact. Muscular force and frictional force are contact forces. For example, frictional force occurs between the soles of shoes and the floor and helps us in walking on the floor.  Indirect forces are the forces that can occur without direct or indirect contact between the two bodies. Magnetic, electrostatic, and gravitational are non-contact forces. 

These solutions are available on Vedantu's official website( vedantu ) and mobile app free of cost.

Q5. The depression in the sand caused by a woman wearing heels is greater than the depression caused by the feet of an elephant. Why?

Ans: The heels of a woman cause more depression in the sand as compared to the feet of an elephant because the heel of a woman has a smaller area of contact which causes more pressure on the sand and produces a larger depression. The feet of an elephant are broader than the heels of a woman. Thus, the area of contact of the feet of an elephant is greater which reduces the pressure on the sand and causes lesser depression.

Chapterwise Important Questions for CBSE Class 8 Science

Cbse study materials.

  • CBSE Class 8 Science Chapter 11 – Force and Pressure Class 8 Notes

Force and Pressure CBSE Class 8 Revision Notes

This chapter of Force and Pressure in Class 8 Science deals specifically in everything related to force plus pressure. Students have been taught about movement of objects and their speed in the earlier chapters. This chapter is what will help students in recognizing what force is. They will be able to answer whether it is a push or pull. Other than that, the chapter explains to students about the reasons behind the force. Force and pressure class 8 notes pdf is available here.

The chapter further moves on to explore forces and the different types. In addition, it also teaches how a force is able to change the state of motion. The chapter also elucidates how force can change the shape of an object. It gives real-life examples to help students understand better the concept of it. It further explains contact forces and non-contact forces in detail. It then moves on to pressure and also helps students learn about atmospheric pressure.

Download Toppr app for Android and iOS or signup for free.

Sub-topics covered under  Force and Pressure :

  • Force and its effects
  • Types of forces
  • Introduction to Pressure

You can download CBSE Class 8 Science Chapter 11 Revision Notes by clicking on the download button below

case study of force and pressure class 8

Why Should You Download Toppr?

Toppr is an all-inclusive platform which has numerous features. These features are made for the student to get maximum help during learning. We have a team of experts who work tirelessly to formulate solutions for you which are accurate and comprehensive. Moreover, we also offer the availability of these experts for students to get their doubts cleared. Other than that, you can get free PDF downloads which are self-explanatory and won’t require anyone else’s help. You will all you need to score a better rank in your exam with our help.

Download Toppr app for  Android  and  iOS  or  signup for free.

Customize your course in 30 seconds

Which class are you in.

tutor

CBSE Class 8 Science Revision Notes

  • CBSE Class 8 Science Chapter 8 – Cell – Structure and Functions Class 8 Notes
  • CBSE Class 8 Science Chapter 10 – Reaching The Age of Adolescence Class 8 Notes
  • CBSE Class 8 Science Chapter 7 – Conservation of Plants and Animals Class 8 Notes
  • CBSE Class 8 Science Chapter 9 – Reproduction in Animals Class 8 Notes
  • CBSE Class 8 Science Chapter 12 – Friction Class 8 Notes
  • CBSE Class 8 Science Chapter 13 – Sound Class 8 Notes
  • CBSE Class 8 Science Chapter 14 – Chemical Effects of Electric Current Class 8 Notes
  • CBSE Class 8 Science Chapter 6 – Combustion and Flame Class 8 Notes
  • Metals and Non-Metals Class 8 Notes – CBSE Class 8 Science Chapter 4

Leave a Reply Cancel reply

Your email address will not be published. Required fields are marked *

Download the App

Google Play

  • CBSE Class 10th

CBSE Class 12th

  • UP Board 10th
  • UP Board 12th
  • Bihar Board 10th
  • Bihar Board 12th
  • Top Schools in India
  • Top Schools in Delhi
  • Top Schools in Mumbai
  • Top Schools in Chennai
  • Top Schools in Hyderabad
  • Top Schools in Kolkata
  • Top Schools in Pune
  • Top Schools in Bangalore

Products & Resources

  • JEE Main Knockout April
  • Free Sample Papers
  • Free Ebooks
  • NCERT Notes

NCERT Syllabus

  • NCERT Books
  • RD Sharma Solutions
  • Navodaya Vidyalaya Admission 2024-25

NCERT Solutions

  • NCERT Solutions for Class 12
  • NCERT Solutions for Class 11
  • NCERT solutions for Class 10
  • NCERT solutions for Class 9
  • NCERT solutions for Class 8
  • NCERT Solutions for Class 7
  • JEE Main 2024
  • JEE Advanced 2024
  • BITSAT 2024
  • View All Engineering Exams
  • Colleges Accepting B.Tech Applications
  • Top Engineering Colleges in India
  • Engineering Colleges in India
  • Engineering Colleges in Tamil Nadu
  • Engineering Colleges Accepting JEE Main
  • Top IITs in India
  • Top NITs in India
  • Top IIITs in India
  • JEE Main College Predictor
  • JEE Main Rank Predictor
  • MHT CET College Predictor
  • AP EAMCET College Predictor
  • TS EAMCET College Predictor
  • KCET College Predictor
  • JEE Advanced College Predictor
  • View All College Predictors
  • JEE Main Question Paper
  • JEE Main Mock Test
  • JEE Main Registration
  • JEE Main Syllabus
  • Download E-Books and Sample Papers
  • Compare Colleges
  • B.Tech College Applications
  • JEE Main Paper 2 Result
  • MAH MBA CET Exam
  • View All Management Exams

Colleges & Courses

  • MBA College Admissions
  • MBA Colleges in India
  • Top IIMs Colleges in India
  • Top Online MBA Colleges in India
  • MBA Colleges Accepting XAT Score
  • BBA Colleges in India
  • XAT College Predictor 2024
  • SNAP College Predictor 2023
  • NMAT College Predictor
  • MAT College Predictor 2024
  • CMAT College Predictor 2024
  • CAT Percentile Predictor 2023
  • CAT 2023 College Predictor
  • CMAT 2024 Registration
  • XAT Cut Off 2024
  • XAT Score vs Percentile 2024
  • CAT Score Vs Percentile
  • Download Helpful Ebooks
  • List of Popular Branches
  • QnA - Get answers to your doubts
  • IIM Fees Structure
  • AIIMS Nursing
  • Top Medical Colleges in India
  • Top Medical Colleges in India accepting NEET Score
  • Medical Colleges accepting NEET
  • List of Medical Colleges in India
  • List of AIIMS Colleges In India
  • Medical Colleges in Maharashtra
  • Medical Colleges in India Accepting NEET PG
  • NEET College Predictor
  • NEET PG College Predictor
  • NEET MDS College Predictor
  • DNB CET College Predictor
  • DNB PDCET College Predictor
  • NEET Application Form 2024
  • NEET PG Application Form 2024
  • NEET Cut off
  • NEET Online Preparation
  • Download Helpful E-books
  • LSAT India 2024
  • Colleges Accepting Admissions
  • Top Law Colleges in India
  • Law College Accepting CLAT Score
  • List of Law Colleges in India
  • Top Law Colleges in Delhi
  • Top Law Collages in Indore
  • Top Law Colleges in Chandigarh
  • Top Law Collages in Lucknow

Predictors & E-Books

  • CLAT College Predictor
  • MHCET Law ( 5 Year L.L.B) College Predictor
  • AILET College Predictor
  • Sample Papers
  • Compare Law Collages
  • Careers360 Youtube Channel
  • CLAT 2024 Exam Live
  • CLAT Result 2024
  • AIBE 18 Result 2023
  • SEED Result 2024
  • UCEED Answer Key 2024
  • NIFT Admit Card
  • CEED Answer Key 2024

Animation Courses

  • Animation Courses in India
  • Animation Courses in Bangalore
  • Animation Courses in Mumbai
  • Animation Courses in Pune
  • Animation Courses in Chennai
  • Animation Courses in Hyderabad
  • Design Colleges in India
  • Fashion Design Colleges in Bangalore
  • Fashion Design Colleges in Mumbai
  • Fashion Design Colleges in Pune
  • Fashion Design Colleges in Delhi
  • Fashion Design Colleges in Hyderabad
  • Fashion Design Colleges in India
  • Top Design Colleges in India
  • Free Design E-books
  • List of Branches
  • Careers360 Youtube channel
  • NIFT College Predictor
  • IPU CET BJMC
  • JMI Mass Communication Entrance Exam
  • IIMC Entrance Exam
  • Media & Journalism colleges in Delhi
  • Media & Journalism colleges in Bangalore
  • Media & Journalism colleges in Mumbai
  • List of Media & Journalism Colleges in India
  • CA Intermediate
  • CA Foundation
  • CS Executive
  • CS Professional
  • Difference between CA and CS
  • Difference between CA and CMA
  • CA Full form
  • CMA Full form
  • CS Full form
  • CA Salary In India

Top Courses & Careers

  • Bachelor of Commerce (B.Com)
  • Master of Commerce (M.Com)
  • Company Secretary
  • Cost Accountant
  • Charted Accountant
  • Credit Manager
  • Financial Advisor
  • Top Commerce Colleges in India
  • Top Government Commerce Colleges in India
  • Top Private Commerce Colleges in India
  • Top M.Com Colleges in Mumbai
  • Top B.Com Colleges in India
  • IT Colleges in Tamil Nadu
  • IT Colleges in Uttar Pradesh
  • MCA Colleges in India
  • BCA Colleges in India

Quick Links

  • Information Technology Courses
  • Programming Courses
  • Web Development Courses
  • Data Analytics Courses
  • Big Data Analytics Courses
  • RUHS Pharmacy Admission Test
  • Top Pharmacy Colleges in India
  • Pharmacy Colleges in Pune
  • Pharmacy Colleges in Mumbai
  • Colleges Accepting GPAT Score
  • Pharmacy Colleges in Lucknow
  • List of Pharmacy Colleges in Nagpur
  • GPAT Result
  • GPAT 2024 Admit Card
  • GPAT Question Papers
  • NCHMCT JEE 2024
  • Mah BHMCT CET
  • Top Hotel Management Colleges in Delhi
  • Top Hotel Management Colleges in Hyderabad
  • Top Hotel Management Colleges in Mumbai
  • Top Hotel Management Colleges in Tamil Nadu
  • Top Hotel Management Colleges in Maharashtra
  • B.Sc Hotel Management
  • Hotel Management
  • Diploma in Hotel Management and Catering Technology

Diploma Colleges

  • Top Diploma Colleges in Maharashtra
  • UPSC IAS 2024
  • SSC CGL 2024
  • IBPS RRB 2024
  • Previous Year Sample Papers
  • Free Competition E-books
  • Sarkari Result
  • QnA- Get your doubts answered
  • UPSC Previous Year Sample Papers
  • CTET Previous Year Sample Papers
  • SBI Clerk Previous Year Sample Papers
  • NDA Previous Year Sample Papers

Upcoming Events

  • NDA Application Form 2024
  • UPSC IAS Application Form 2024
  • CDS Application Form 2024
  • CTET Admit card 2024
  • HP TET Result 2023
  • SSC GD Constable Admit Card 2024
  • UPTET Notification 2024
  • SBI Clerk Result 2024

Other Exams

  • SSC CHSL 2024
  • UP PCS 2024
  • UGC NET 2024
  • RRB NTPC 2024
  • IBPS PO 2024
  • IBPS Clerk 2024
  • IBPS SO 2024
  • Top University in USA
  • Top University in Canada
  • Top University in Ireland
  • Top Universities in UK
  • Top Universities in Australia
  • Best MBA Colleges in Abroad
  • Business Management Studies Colleges

Top Countries

  • Study in USA
  • Study in UK
  • Study in Canada
  • Study in Australia
  • Study in Ireland
  • Study in Germany
  • Study in China
  • Study in Europe

Student Visas

  • Student Visa Canada
  • Student Visa UK
  • Student Visa USA
  • Student Visa Australia
  • Student Visa Germany
  • Student Visa New Zealand
  • Student Visa Ireland
  • CUET PG 2024
  • IGNOU B.Ed Admission 2024
  • DU Admission
  • UP B.Ed JEE 2024
  • DDU Entrance Exam
  • IIT JAM 2024
  • ICAR AIEEA Exam
  • Universities in India 2023
  • Top Universities in India 2023
  • Top Colleges in India
  • Top Universities in Uttar Pradesh 2023
  • Top Universities in Bihar 2023
  • Top Universities in Madhya Pradesh 2023
  • Top Universities in Tamil Nadu 2023
  • Central Universities in India
  • CUET PG Admit Card 2024
  • IGNOU Date Sheet
  • CUET Mock Test 2024
  • CUET Application Form 2024
  • CUET PG Syllabus 2024
  • CUET Participating Universities 2024
  • CUET Previous Year Question Paper
  • ICAR AIEEA Previous Year Question Papers
  • E-Books and Sample Papers
  • CUET Exam Pattern 2024
  • CUET Exam Date 2024
  • CUET Syllabus 2024
  • IGNOU Exam Form 2024
  • IGNOU Result 2023
  • CUET PG Courses 2024

Engineering Preparation

  • Knockout JEE Main 2024
  • Test Series JEE Main 2024
  • JEE Main 2024 Rank Booster

Medical Preparation

  • Knockout NEET 2024
  • Test Series NEET 2024
  • Rank Booster NEET 2024

Online Courses

  • JEE Main One Month Course
  • NEET One Month Course
  • IBSAT Free Mock Tests
  • IIT JEE Foundation Course
  • Knockout BITSAT 2024
  • Career Guidance Tool

Top Streams

  • IT & Software Certification Courses
  • Engineering and Architecture Certification Courses
  • Programming And Development Certification Courses
  • Business and Management Certification Courses
  • Marketing Certification Courses
  • Health and Fitness Certification Courses
  • Design Certification Courses

Specializations

  • Digital Marketing Certification Courses
  • Cyber Security Certification Courses
  • Artificial Intelligence Certification Courses
  • Business Analytics Certification Courses
  • Data Science Certification Courses
  • Cloud Computing Certification Courses
  • Machine Learning Certification Courses
  • View All Certification Courses
  • UG Degree Courses
  • PG Degree Courses
  • Short Term Courses
  • Free Courses
  • Online Degrees and Diplomas
  • Compare Courses

Top Providers

  • Coursera Courses
  • Udemy Courses
  • Edx Courses
  • Swayam Courses
  • upGrad Courses
  • Simplilearn Courses
  • Great Learning Courses

Popular Searches

Access premium articles, webinars, resources to make the best decisions for career, course, exams, scholarships, study abroad and much more with

Plan, Prepare & Make the Best Career Choices

NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure

  • NCERT Solutions for Class 8 Science Chapter 11 – Access and Download for Free PDF

NCERT Solutions For Class 8 Science Chapter 11 Force and Pressure: In Class 8, you've probably noticed those stickers saying "push" and "pull" on doors in various places. When we push or pull, we're essentially applying a force that causes the door to move either forward or backwards. These actions involve the fundamental concepts of force and how it influences the motion of an object in a specific direction.

  • NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure: Solved Exercise Questions

NCERT Solutions For Class 8 Science- Chapter-wise

Force and pressure class 8 ncert science topics, ncert solutions for class 8 science chapter 11 force and pressure- points to remember:, key features of class 8 science ch 11 question answer, ncert solutions for class 8: subject-wise.

NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure

In this chapter, "Force and Pressure," which is part of the NCERT Solutions for Class 8 , we delve into different types of forces and the concept of pressure. There are a total of 10 questions explained comprehensively in the CBSE NCERT solutions for Class 8 Science Chapter 11: Force and Pressure. Importantly, all 13 questions presented are rooted in real-life examples. As you study this force and pressure class 8 solutions, take a moment to observe the various types of forces that exist in your surroundings.

These NCERT solutions for Class 8 Science Chapter 11: Force and Pressure serve as invaluable tools to gauge your understanding of the chapter's concepts. When working on force and pressure class 8 NCERT solutions, it's a good practice to initially attempt them on your own and then refer to the solutions for further clarity.

By mastering this class 8 science chapter 11 question answer, you not only enhance your knowledge of the fascinating world of forces and pressure but also increase your chances of scoring well in your examinations. So, dive into the world of forces, explore the dynamics of pressure, and take full advantage of these class 8 science chapter 11 ncert solutions to excel in your studies.

This chapter has been renumbered as Chapter 7 in accordance with the CBSE Syllabus 2023–24.

Download PDF

NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure: Solved E xercise Questions

Q1. Give two examples each of situations in which you push or pull to change the state of motion of objects.

Two examples of the situation in which the state of motion of an object is changed through a push are as follows:

(a) A table whose position in a room has to be changed is moved by pushing it.

(b) In a match of cricket, the batsman hits the ball by pushing it with a bat.

Two examples of the situation in which the state of motion of an object is changed through a pull are as follows:

(a) In a game of tug of war, both teams try to bring the rope towards their side by pulling it.

(b) A train moves when the engine pulls the rest of the bogies.

Q2. Give two examples of situations in which applied force causes a change in the shape of an object.

Two examples of situations in which applied force causes a change in the shape of an object are as follows:

(a) The shape of a rubber band changes (it stretches) once it is pulled from both ends.

(b) The shape of dough is changed before making it into a roti.

Q3. Fill in the blanks in the following statements.

(a) To draw water from a well we have to __________ at the rope. (b) A charged body __________ an uncharged body towards it. (c) To move a loaded trolley we have to __________ it. (d) The north pole of a magnet __________the north pole of another magnet.

(a) To draw water from a well we have to pull at the rope. (b) A charged body attracts an uncharged body towards it. (c) To move a loaded trolley we have to either pull or push it. (d) The north pole of a magnet repels the north pole of another magnet.

Q4. An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information fill up the gaps in the following statements using the following terms.

muscular, contact, non-contact, gravity, friction, shape, attraction

(a) To stretch the bow, the archer applies a force that causes a change in its __________. (b) The force applied by the archer to stretch the bow is an example of __________ force. (c) The type of force responsible for a change in the state of motion of the arrow is an example of a __________ force. (d) While the arrow moves towards its target, the forces acting on it are due to __________ and that due to __________ of air.

a) To stretch the bow, the archer applies a force that causes a change in its shape . (b) The force applied by the archer to stretch the bow is an example of muscular force. (c) The type of force responsible for a change in the state of motion of the arrow is an example of a contact force. (d) While the arrow moves towards its target, the forces acting on it are due to gravity and that due to the friction of air.

Q5. In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case.

(a) Squeezing a piece of lemon between the fingers to extract its juice.

The fingers exert muscular force on the lemon . As an effect of this force, the lemon gets squeezed .

Q6. In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case.

(b) Taking out paste from a toothpaste tube.

We use our fingers to apply muscular force on the toothpaste tube . This applied muscular force changes the shape of the tube causing the toothpaste to come out of it.

Q7. In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case.

(c) A load suspended from a spring while its other end is on a hook fixed to a wall.

The load pulls the spring . As an effect of this pull, the spring stretches .

Q8. In the following situations identify the agent exerting the force and the object on which it acts. State the effect of the force in each case.

(d) An athlete making a high jump to clear the bar at a certain height.

The athlete pushes the ground using muscular force. This causes the athlete to rise in the air.

Q9. A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?

While hammering a hot piece the blacksmith applies force on it using the hammer thus causing a change in the shape of the piece of iron. For example, the blacksmith can make a cylindrical block of iron to rectangular block by heating it and hammering.

Q10. An inflated balloon was pressed against a wall after it has been rubbed with a piece of synthetic cloth. It was found that the balloon sticks to the wall. What force might be responsible for the attraction between the balloon and the wall?

On rubbing the balloon against a piece of synthetic cloth the balloon gains charge . The wall is uncharged and is attracted by the charged balloon since a charged body attracts an uncharged body . The electrostatic force is responsible for the attraction between the balloon and the wall.

Q11. Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket do not bring a change in its state of motion.

The forces acting on the bucket are muscular force applied by our hand and gravitational force. The forces acting do not bring a change in the state of the motion as the forces are equal in magnitude and act in the opposite direction.

Q12. A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad.

Two forces acting on the rocket are the gravitational force and friction of the air in the atmosphere. The gravitational force pulls the rocket towards the earth and the friction force also opposes the motion of the rocket.

Q13. When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to

(a) the pressure of water. (b) the gravity of the earth. (c) the shape of a rubber bulb. (d) atmospheric pressure.

The rise of water in the dropper is due to atmospheric pressure . The atmospheric pressure is more than the pressure inside the dropper thus pushing the water inside it.

The experts at Careers360 have created easy-to-understand class 8 science chapter 11 question answer. These solutions are available in the form of a PDF, making it convenient for students to access and utilize them. The Solution of class 8 chapter 11 science consists of a total of thirteen questions, which are a mix of straightforward question-answer and fill-in-the-blanks types. These solutions can aid students in their exam preparation and ensure that they have a clear understanding of the concepts covered in the chapter. Additionally, practising force and pressure class 8 questions answers can help students identify their strengths and weaknesses in the subject and focus on improving their performance.

Force and Pressure Class 8 Questions and Answers: Important Formulas and Diagrams + eBook link

A force is a push or pull on an object.

1694692122887

Forces can change the state of rest or motion of an object.

The SI unit of force is the Newton (N).

Effects of Force

Forces can change the shape, size, or speed of an object.

Forces can also change the direction of motion.

Formula for calculating the force exerted by a body

Force = mass × acceleration

Pressure is the force applied per unit area.

Pressure (P) = Force (F) / Area (A)

Where: P is in pascals (Pa), F is in Newtons (N), and A is in square meters (m²)

Archimedes' Principle

Archimedes' principle states that the buoyant force on an object in a fluid is equal to the weight of the fluid displaced by the object. This principle explains why objects float or sink in fluids.

Subtopics of the chapter 11 class 8 science are given below:

11.1. Force – A Push or Pull

11.2. Forces are due to an Interaction

11.3. Exploring Forces

11.4. A Force can Change the State of Motion

11.5. Force can Change the Shape of an Object

11.6. Contact Forces

11.7. Non-contact Forces

11.8. Pressure

11.9. Pressure Exerted by Liquids and Gases

11.10. Atmospheric Pressure

The questions explained in the NCERT solutions for class 8 science chapter 11 force and pressure are based on the following points.

  • Force is either a push or a pull on an object resulting from interaction with another object.
  • The direction of motion of an object can be changed by applying force.
  • Force can alter the shape of an object
  • Force can influence the state of motion
  • The pressure is the force per unit area.
  • The pressure exerted by the air around us is known as atmospheric pressure.
  • The value of atmospheric pressure is very large, but our body is not feeling it because the pressure inside the body is also equal to the atmospheric pressure and balances the pressure from outside .

There are so many interesting examples and situations that are given in the NCERT book grade eight-chapter 11. You can do all the activities given in the NCERT book and it will be a fun and a learning experience. CBSE NCERT solutions for class 8 science chapter 11 force and pressure helps students in solving homework problems also.

Comprehensive Coverage: Force and pressure class 8 solutions provides comprehensive coverage of various concepts related to force and pressure. It addresses a wide range of topics, ensuring a thorough understanding of the chapter.

Real-Life Examples: Many questions in this force and pressure class 8 ncert solutions are framed using real-life examples. This approach helps students connect theoretical concepts with practical situations, making learning more engaging and relatable.

Conceptual Clarity: The class 8 science chapter 11 ncert solutions are designed to test the student's understanding of fundamental concepts related to force and pressure. They encourage students to think critically and apply their knowledge to solve problems.

Variety of Question Types: The class 8 force and pressure ncert solutions section includes a variety of question types, such as multiple-choice questions, short answer questions, long answer questions, and numerical problems. This diversity allows students to practice different problem-solving techniques.

Application-Based Questions: Some questions require students to apply their knowledge of force and pressure to real-world scenarios. This helps students see the practical implications of the concepts they are learning.

Step-by-Step Solutions: For numerical problems and complex questions, step-by-step force and pressure class 8 questions and answers are often provided. These solutions guide students through the problem-solving process, helping them understand the methodology.

Assessment and Practice: The science chapter 11 class 8 questions serve as a valuable tool for self-assessment and practice. Students can gauge their understanding of the chapter by attempting these questions and then referring to the answers to check their accuracy.

Exam-Orientation: Many questions are framed with a focus on exam preparation. By practising these ch 11 science class 8 questions, students can become better prepared for their Class 8 Science exams

  • NCERT Solutions for Class 8 Maths
  • NCERT Solutions for Class 8 Science

Also Check NCERT Books and NCERT Syllabus here:

  • NCERT Books Class 8 Science
  • NCERT Syllabus Class 8 Science
  • NCERT Books Class 8
  • NCERT Syllabus Class 8

Frequently Asked Question (FAQs)

Yes, force and pressure are important topics of NCERT Class 9 Syllabus. These are basic concepts in mechanics that will be studied in Class 11 Physics book

Pressure is defined as force per unit area. If F is the force and A is the area, then pressure P=F/A

The SI unit of force is Newton(N)

The SI unit of pressure is Pascal(Pa)

Subtopics covered in class 8 science chapter force and pressure are given below:

1. Force – A Push or Pull

2. Forces are due to an Interaction

3. Exploring Forces

4. A Force can Change the State of Motion

5. Force can Change the Shape of an Object

6. Contact Forces

7. Non-contact Forces

8. Pressure

9. Pressure Exerted by Liquids and Gases

10. Atmospheric Pressure

  • Latest Articles
  • Popular Articles

Explore Premium

Exam preparation: get over self-doubt with these effective measures, gandhian principles can aid mental well-being, every student should build on these must have skills, arduous dance holding on and letting go your teens, competition and comparison: how can parents help kids to avoid the maze, building a support system: help and assistance available for the orphaned youth, homeostasis: maintenance of internal balance, trigonometry: where do we see it being used in real-life, artificial rain: concept and techniques, upcoming school exams, madhya pradesh board 10th examination.

Exam Date : 04 February,2024 - 27 February,2024

Madhya Pradesh Board 12th Examination

Exam Date : 05 February,2024 - 04 March,2024

Jammu and Kashmir State Board of School Education 12th Examination

Exam Date : 08 February,2024 - 28 February,2024

National Means Cum-Merit Scholarship

Application Date : 19 February,2024 - 27 February,2024

Meghalaya Board of Higher Secondary School Leaving Certificate Examination

Exam Date : 19 February,2024 - 27 February,2024

Popular Questions

A block of mass 0.50 kg is moving with a speed of 2.00 ms -1 on a smooth surface. It strikes another mass of 1.00 kg and then they move together as a single body. The energy loss during the collision is

A person trying to lose weight by burning fat lifts a mass of 10 kg upto a height of 1 m 1000 times.  Assume that the potential energy lost each time he lowers the mass is dissipated.  How much fat will he use up considering the work done only when the weight is lifted up ?  Fat supplies 3.8×10 7 J of energy per kg which is converted to mechanical energy with a 20% efficiency rate.  Take g = 9.8 ms −2 :

An athlete in the olympic games covers a distance of 100 m in 10 s. His kinetic energy can be estimated to be in the range

K

In the reaction,

2Al_{(s)}+6HCL_{(aq)}\rightarrow 2Al^{3+}\, _{(aq)}+6Cl^{-}\, _{(aq)}+3H_{2(g)}

If we consider that 1/6, in place of 1/12, mass of carbon atom is taken to be the relative atomic mass unit, the mass of one mole of a substance will

With increase of temperature, which of these changes?

Number of atoms in 558.5 gram Fe (at. wt.of Fe = 55.85 g mol -1 ) is

A pulley of radius 2 m is rotated about its axis by a force F = (20t - 5t 2 ) newton (where t is measured in seconds) applied tangentially. If the moment of inertia of the pulley about its axis of rotation is 10 kg m 2 , the number of rotations made by the pulley before its direction of motion if reversed, is

Colleges After 12th

Popular course after 12th.

  • DUET (DU JAT)
  • BHU UET,BUMAT,
  • MAH CET Law
  • JEE Advanced
  • COMEDK UGET
  • JEE Main Paper 2
  • AAT (JEE Advanced)
  • ISI Admission Test

Explore Career Options (By Industry)

  • Construction
  • Entertainment
  • Manufacturing
  • Information Technology

Data Administrator

Database professionals use software to store and organise data such as financial information, and customer shipping records. Individuals who opt for a career as data administrators ensure that data is available for users and secured from unauthorised sales. DB administrators may work in various types of industries. It may involve computer systems design, service firms, insurance companies, banks and hospitals.

Bio Medical Engineer

The field of biomedical engineering opens up a universe of expert chances. An Individual in the biomedical engineering career path work in the field of engineering as well as medicine, in order to find out solutions to common problems of the two fields. The biomedical engineering job opportunities are to collaborate with doctors and researchers to develop medical systems, equipment, or devices that can solve clinical problems. Here we will be discussing jobs after biomedical engineering, how to get a job in biomedical engineering, biomedical engineering scope, and salary. 

Ethical Hacker

A career as ethical hacker involves various challenges and provides lucrative opportunities in the digital era where every giant business and startup owns its cyberspace on the world wide web. Individuals in the ethical hacker career path try to find the vulnerabilities in the cyber system to get its authority. If he or she succeeds in it then he or she gets its illegal authority. Individuals in the ethical hacker career path then steal information or delete the file that could affect the business, functioning, or services of the organization.

Data Analyst

The invention of the database has given fresh breath to the people involved in the data analytics career path. Analysis refers to splitting up a whole into its individual components for individual analysis. Data analysis is a method through which raw data are processed and transformed into information that would be beneficial for user strategic thinking.

Data are collected and examined to respond to questions, evaluate hypotheses or contradict theories. It is a tool for analyzing, transforming, modeling, and arranging data with useful knowledge, to assist in decision-making and methods, encompassing various strategies, and is used in different fields of business, research, and social science.

Water Manager

A career as water manager needs to provide clean water, preventing flood damage, and disposing of sewage and other wastes. He or she also repairs and maintains structures that control the flow of water, such as reservoirs, sea defense walls, and pumping stations. In addition to these, the Manager has other responsibilities related to water resource management.

Geothermal Engineer

Individuals who opt for a career as geothermal engineers are the professionals involved in the processing of geothermal energy. The responsibilities of geothermal engineers may vary depending on the workplace location. Those who work in fields design facilities to process and distribute geothermal energy. They oversee the functioning of machinery used in the field.

Geotechnical engineer

The role of geotechnical engineer starts with reviewing the projects needed to define the required material properties. The work responsibilities are followed by a site investigation of rock, soil, fault distribution and bedrock properties on and below an area of interest. The investigation is aimed to improve the ground engineering design and determine their engineering properties that include how they will interact with, on or in a proposed construction. 

The role of geotechnical engineer in mining includes designing and determining the type of foundations, earthworks, and or pavement subgrades required for the intended man-made structures to be made. Geotechnical engineering jobs are involved in earthen and concrete dam construction projects, working under a range of normal and extreme loading conditions. 

Operations Manager

Individuals in the operations manager jobs are responsible for ensuring the efficiency of each department to acquire its optimal goal. They plan the use of resources and distribution of materials. The operations manager's job description includes managing budgets, negotiating contracts, and performing administrative tasks.

Budget Analyst

Budget analysis, in a nutshell, entails thoroughly analyzing the details of a financial budget. The budget analysis aims to better understand and manage revenue. Budget analysts assist in the achievement of financial targets, the preservation of profitability, and the pursuit of long-term growth for a business. Budget analysts generally have a bachelor's degree in accounting, finance, economics, or a closely related field. Knowledge of Financial Management is of prime importance in this career.

Finance Executive

A career as a Finance Executive requires one to be responsible for monitoring an organisation's income, investments and expenses to create and evaluate financial reports. His or her role involves performing audits, invoices, and budget preparations. He or she manages accounting activities, bank reconciliations, and payable and receivable accounts.  

Product Manager

A Product Manager is a professional responsible for product planning and marketing. He or she manages the product throughout the Product Life Cycle, gathering and prioritising the product. A product manager job description includes defining the product vision and working closely with team members of other departments to deliver winning products.  

Investment Banker

An Investment Banking career involves the invention and generation of capital for other organizations, governments, and other entities. Individuals who opt for a career as Investment Bankers are the head of a team dedicated to raising capital by issuing bonds. Investment bankers are termed as the experts who have their fingers on the pulse of the current financial and investing climate. Students can pursue various Investment Banker courses, such as Banking and Insurance , and  Economics to opt for an Investment Banking career path.

Underwriter

An underwriter is a person who assesses and evaluates the risk of insurance in his or her field like mortgage, loan, health policy, investment, and so on and so forth. The underwriter career path does involve risks as analysing the risks means finding out if there is a way for the insurance underwriter jobs to recover the money from its clients. If the risk turns out to be too much for the company then in the future it is an underwriter who will be held accountable for it. Therefore, one must carry out his or her job with a lot of attention and diligence.

Fund Manager

Are you searching for a fund manager job description? A fund manager is a stock market professional hired by a mutual fund company to manage the funds’ portfolio of numerous clients and oversee their trading activities. In an investment company, multiple managers oversee the clients’ money and make their respective decisions. 

Welding Engineer

Welding Engineer Job Description: A Welding Engineer work involves managing welding projects and supervising welding teams. He or she is responsible for reviewing welding procedures, processes and documentation. A career as Welding Engineer involves conducting failure analyses and causes on welding issues. 

Transportation Planner

A career as Transportation Planner requires technical application of science and technology in engineering, particularly the concepts, equipment and technologies involved in the production of products and services. In fields like land use, infrastructure review, ecological standards and street design, he or she considers issues of health, environment and performance. A Transportation Planner assigns resources for implementing and designing programmes. He or she is responsible for assessing needs, preparing plans and forecasts and compliance with regulations.

Individuals in the architecture career are the building designers who plan the whole construction keeping the safety and requirements of the people. Individuals in architect career in India provides professional services for new constructions, alterations, renovations and several other activities. Individuals in architectural careers in India visit site locations to visualize their projects and prepare scaled drawings to submit to a client or employer as a design. Individuals in architecture careers also estimate build costs, materials needed, and the projected time frame to complete a build.

Landscape Architect

Having a landscape architecture career, you are involved in site analysis, site inventory, land planning, planting design, grading, stormwater management, suitable design, and construction specification. Frederick Law Olmsted, the designer of Central Park in New York introduced the title “landscape architect”. The Australian Institute of Landscape Architects (AILA) proclaims that "Landscape Architects research, plan, design and advise on the stewardship, conservation and sustainability of development of the environment and spaces, both within and beyond the built environment". Therefore, individuals who opt for a career as a landscape architect are those who are educated and experienced in landscape architecture. Students need to pursue various landscape architecture degrees, such as  M.Des , M.Plan to become landscape architects. If you have more questions regarding a career as a landscape architect or how to become a landscape architect then you can read the article to get your doubts cleared. 

An expert in plumbing is aware of building regulations and safety standards and works to make sure these standards are upheld. Testing pipes for leakage using air pressure and other gauges, and also the ability to construct new pipe systems by cutting, fitting, measuring and threading pipes are some of the other more involved aspects of plumbing. Individuals in the plumber career path are self-employed or work for a small business employing less than ten people, though some might find working for larger entities or the government more desirable.

Urban Planner

Urban Planning careers revolve around the idea of developing a plan to use the land optimally, without affecting the environment. Urban planning jobs are offered to those candidates who are skilled in making the right use of land to distribute the growing population, to create various communities. 

Urban planning careers come with the opportunity to make changes to the existing cities and towns. They identify various community needs and make short and long-term plans accordingly.

Construction Manager

Individuals who opt for a career as construction managers have a senior-level management role offered in construction firms. Responsibilities in the construction management career path are assigning tasks to workers, inspecting their work, and coordinating with other professionals including architects, subcontractors, and building services engineers.

Environmental Engineer

Individuals who opt for a career as an environmental engineer are construction professionals who utilise the skills and knowledge of biology, soil science, chemistry and the concept of engineering to design and develop projects that serve as solutions to various environmental problems. 

Orthotist and Prosthetist

Orthotists and Prosthetists are professionals who provide aid to patients with disabilities. They fix them to artificial limbs (prosthetics) and help them to regain stability. There are times when people lose their limbs in an accident. In some other occasions, they are born without a limb or orthopaedic impairment. Orthotists and prosthetists play a crucial role in their lives with fixing them to assistive devices and provide mobility.

Veterinary Doctor

A veterinary doctor is a medical professional with a degree in veterinary science. The veterinary science qualification is the minimum requirement to become a veterinary doctor. There are numerous veterinary science courses offered by various institutes. He or she is employed at zoos to ensure they are provided with good health facilities and medical care to improve their life expectancy.

Pathologist

A career in pathology in India is filled with several responsibilities as it is a medical branch and affects human lives. The demand for pathologists has been increasing over the past few years as people are getting more aware of different diseases. Not only that, but an increase in population and lifestyle changes have also contributed to the increase in a pathologist’s demand. The pathology careers provide an extremely huge number of opportunities and if you want to be a part of the medical field you can consider being a pathologist. If you want to know more about a career in pathology in India then continue reading this article.

Speech Therapist

Gynaecologist.

Gynaecology can be defined as the study of the female body. The job outlook for gynaecology is excellent since there is evergreen demand for one because of their responsibility of dealing with not only women’s health but also fertility and pregnancy issues. Although most women prefer to have a women obstetrician gynaecologist as their doctor, men also explore a career as a gynaecologist and there are ample amounts of male doctors in the field who are gynaecologists and aid women during delivery and childbirth. 

An oncologist is a specialised doctor responsible for providing medical care to patients diagnosed with cancer. He or she uses several therapies to control the cancer and its effect on the human body such as chemotherapy, immunotherapy, radiation therapy and biopsy. An oncologist designs a treatment plan based on a pathology report after diagnosing the type of cancer and where it is spreading inside the body.

Audiologist

The audiologist career involves audiology professionals who are responsible to treat hearing loss and proactively preventing the relevant damage. Individuals who opt for a career as an audiologist use various testing strategies with the aim to determine if someone has a normal sensitivity to sounds or not. After the identification of hearing loss, a hearing doctor is required to determine which sections of the hearing are affected, to what extent they are affected, and where the wound causing the hearing loss is found. As soon as the hearing loss is identified, the patients are provided with recommendations for interventions and rehabilitation such as hearing aids, cochlear implants, and appropriate medical referrals. While audiology is a branch of science that studies and researches hearing, balance, and related disorders.

Dental Surgeon

A Dental Surgeon is a professional who possesses specialisation in advanced dental procedures and aesthetics. Dental surgeon duties and responsibilities may include fitting dental prosthetics such as crowns, caps, bridges, veneers, dentures and implants following apicoectomy and other surgical procedures.

For an individual who opts for a career as an actor, the primary responsibility is to completely speak to the character he or she is playing and to persuade the crowd that the character is genuine by connecting with them and bringing them into the story. This applies to significant roles and littler parts, as all roles join to make an effective creation. Here in this article, we will discuss how to become an actor in India, actor exams, actor salary in India, and actor jobs. 

Individuals who opt for a career as acrobats create and direct original routines for themselves, in addition to developing interpretations of existing routines. The work of circus acrobats can be seen in a variety of performance settings, including circus, reality shows, sports events like the Olympics, movies and commercials. Individuals who opt for a career as acrobats must be prepared to face rejections and intermittent periods of work. The creativity of acrobats may extend to other aspects of the performance. For example, acrobats in the circus may work with gym trainers, celebrities or collaborate with other professionals to enhance such performance elements as costume and or maybe at the teaching end of the career.

Video Game Designer

Career as a video game designer is filled with excitement as well as responsibilities. A video game designer is someone who is involved in the process of creating a game from day one. He or she is responsible for fulfilling duties like designing the character of the game, the several levels involved, plot, art and similar other elements. Individuals who opt for a career as a video game designer may also write the codes for the game using different programming languages.

Depending on the video game designer job description and experience they may also have to lead a team and do the early testing of the game in order to suggest changes and find loopholes.

Talent Agent

The career as a Talent Agent is filled with responsibilities. A Talent Agent is someone who is involved in the pre-production process of the film. It is a very busy job for a Talent Agent but as and when an individual gains experience and progresses in the career he or she can have people assisting him or her in work. Depending on one’s responsibilities, number of clients and experience he or she may also have to lead a team and work with juniors under him or her in a talent agency. In order to know more about the job of a talent agent continue reading the article.

If you want to know more about talent agent meaning, how to become a Talent Agent, or Talent Agent job description then continue reading this article.

Radio Jockey

Radio Jockey is an exciting, promising career and a great challenge for music lovers. If you are really interested in a career as radio jockey, then it is very important for an RJ to have an automatic, fun, and friendly personality. If you want to get a job done in this field, a strong command of the language and a good voice are always good things. Apart from this, in order to be a good radio jockey, you will also listen to good radio jockeys so that you can understand their style and later make your own by practicing.

A career as radio jockey has a lot to offer to deserving candidates. If you want to know more about a career as radio jockey, and how to become a radio jockey then continue reading the article.

Videographer

Multimedia specialist.

A multimedia specialist is a media professional who creates, audio, videos, graphic image files, computer animations for multimedia applications. He or she is responsible for planning, producing, and maintaining websites and applications. 

An individual who is pursuing a career as a producer is responsible for managing the business aspects of production. They are involved in each aspect of production from its inception to deception. Famous movie producers review the script, recommend changes and visualise the story. 

They are responsible for overseeing the finance involved in the project and distributing the film for broadcasting on various platforms. A career as a producer is quite fulfilling as well as exhaustive in terms of playing different roles in order for a production to be successful. Famous movie producers are responsible for hiring creative and technical personnel on contract basis.

Copy Writer

In a career as a copywriter, one has to consult with the client and understand the brief well. A career as a copywriter has a lot to offer to deserving candidates. Several new mediums of advertising are opening therefore making it a lucrative career choice. Students can pursue various copywriter courses such as Journalism , Advertising , Marketing Management . Here, we have discussed how to become a freelance copywriter, copywriter career path, how to become a copywriter in India, and copywriting career outlook. 

Careers in journalism are filled with excitement as well as responsibilities. One cannot afford to miss out on the details. As it is the small details that provide insights into a story. Depending on those insights a journalist goes about writing a news article. A journalism career can be stressful at times but if you are someone who is passionate about it then it is the right choice for you. If you want to know more about the media field and journalist career then continue reading this article.

For publishing books, newspapers, magazines and digital material, editorial and commercial strategies are set by publishers. Individuals in publishing career paths make choices about the markets their businesses will reach and the type of content that their audience will be served. Individuals in book publisher careers collaborate with editorial staff, designers, authors, and freelance contributors who develop and manage the creation of content.

In a career as a vlogger, one generally works for himself or herself. However, once an individual has gained viewership there are several brands and companies that approach them for paid collaboration. It is one of those fields where an individual can earn well while following his or her passion. 

Ever since internet costs got reduced the viewership for these types of content has increased on a large scale. Therefore, a career as a vlogger has a lot to offer. If you want to know more about the Vlogger eligibility, roles and responsibilities then continue reading the article. 

Individuals in the editor career path is an unsung hero of the news industry who polishes the language of the news stories provided by stringers, reporters, copywriters and content writers and also news agencies. Individuals who opt for a career as an editor make it more persuasive, concise and clear for readers. In this article, we will discuss the details of the editor's career path such as how to become an editor in India, editor salary in India and editor skills and qualities.

Advertising Manager

Advertising managers consult with the financial department to plan a marketing strategy schedule and cost estimates. We often see advertisements that attract us a lot, not every advertisement is just to promote a business but some of them provide a social message as well. There was an advertisement for a washing machine brand that implies a story that even a man can do household activities. And of course, how could we even forget those jingles which we often sing while working?

Photographer

Photography is considered both a science and an art, an artistic means of expression in which the camera replaces the pen. In a career as a photographer, an individual is hired to capture the moments of public and private events, such as press conferences or weddings, or may also work inside a studio, where people go to get their picture clicked. Photography is divided into many streams each generating numerous career opportunities in photography. With the boom in advertising, media, and the fashion industry, photography has emerged as a lucrative and thrilling career option for many Indian youths.

Social Media Manager

A career as social media manager involves implementing the company’s or brand’s marketing plan across all social media channels. Social media managers help in building or improving a brand’s or a company’s website traffic, build brand awareness, create and implement marketing and brand strategy. Social media managers are key to important social communication as well.

Quality Controller

A quality controller plays a crucial role in an organisation. He or she is responsible for performing quality checks on manufactured products. He or she identifies the defects in a product and rejects the product. 

A quality controller records detailed information about products with defects and sends it to the supervisor or plant manager to take necessary actions to improve the production process.

Production Manager

A Team Leader is a professional responsible for guiding, monitoring and leading the entire group. He or she is responsible for motivating team members by providing a pleasant work environment to them and inspiring positive communication. A Team Leader contributes to the achievement of the organisation’s goals. He or she improves the confidence, product knowledge and communication skills of the team members and empowers them.

Procurement Manager

The procurement Manager is also known as  Purchasing Manager. The role of the Procurement Manager is to source products and services for a company. A Procurement Manager is involved in developing a purchasing strategy, including the company's budget and the supplies as well as the vendors who can provide goods and services to the company. His or her ultimate goal is to bring the right products or services at the right time with cost-effectiveness. 

Merchandiser

A career as a merchandiser requires one to promote specific products and services of one or different brands, to increase the in-house sales of the store. Merchandising job focuses on enticing the customers to enter the store and hence increasing their chances of buying a product. Although the buyer is the one who selects the lines, it all depends on the merchandiser on how much money a buyer will spend, how many lines will be purchased, and what will be the quantity of those lines. In a career as merchandiser, one is required to closely work with the display staff in order to decide in what way a product would be displayed so that sales can be maximised. In small brands or local retail stores, a merchandiser is responsible for both merchandising and buying. 

AWS Solution Architect

An AWS Solution Architect is someone who specializes in developing and implementing cloud computing systems. He or she has a good understanding of the various aspects of cloud computing and can confidently deploy and manage their systems. He or she troubleshoots the issues and evaluates the risk from the third party. 

Azure Administrator

An Azure Administrator is a professional responsible for implementing, monitoring, and maintaining Azure Solutions. He or she manages cloud infrastructure service instances and various cloud servers as well as sets up public and private cloud systems. 

Information Security Manager

Individuals in the information security manager career path involves in overseeing and controlling all aspects of computer security. The IT security manager job description includes planning and carrying out security measures to protect the business data and information from corruption, theft, unauthorised access, and deliberate attack 

Computer Programmer

Careers in computer programming primarily refer to the systematic act of writing code and moreover include wider computer science areas. The word 'programmer' or 'coder' has entered into practice with the growing number of newly self-taught tech enthusiasts. Computer programming careers involve the use of designs created by software developers and engineers and transforming them into commands that can be implemented by computers. These commands result in regular usage of social media sites, word-processing applications and browsers.

ITSM Manager

.net developer.

.NET Developer Job Description: A .NET Developer is a professional responsible for producing code using .NET languages. He or she is a software developer who uses the .NET technologies platform to create various applications. Dot NET Developer job comes with the responsibility of  creating, designing and developing applications using .NET languages such as VB and C#. 

Applications for Admissions are open.

NEET 2024 Most scoring concepts

NEET 2024 Most scoring concepts

Just Study 32% of the NEET syllabus and Score upto 100% marks

JEE Main high scoring chapters and topics

JEE Main high scoring chapters and topics

As per latest 2024 syllabus. Study 40% syllabus and score upto 100% marks in JEE

NEET previous year papers with solutions

NEET previous year papers with solutions

Solve NEET previous years question papers & check your preparedness

JEE Main Important Mathematics Formulas

JEE Main Important Mathematics Formulas

As per latest 2024 syllabus. Maths formulas, equations, & theorems of class 11 & 12th chapters

JEE Main Important Physics formulas

JEE Main Important Physics formulas

As per latest 2024 syllabus. Physics formulas, equations, & laws of class 11 & 12th chapters

JEE Main Important Chemistry formulas

JEE Main Important Chemistry formulas

As per latest 2024 syllabus. Chemistry formulas, equations, & laws of class 11 & 12th chapters

Everything about Education

Latest updates, Exclusive Content, Webinars and more.

Explore on Careers360

  • Board Exams
  • Top Schools
  • Navodaya Vidyalaya
  • NCERT Solutions for Class 10
  • NCERT Solutions for Class 9
  • NCERT Solutions for Class 8
  • NCERT Solutions for Class 6

NCERT Exemplars

  • NCERT Exemplar
  • NCERT Exemplar Class 9 solutions
  • NCERT Exemplar Class 10 solutions
  • NCERT Exemplar Class 11 Solutions
  • NCERT Exemplar Class 12 Solutions
  • NCERT Books for class 6
  • NCERT Books for class 7
  • NCERT Books for class 8
  • NCERT Books for class 9
  • NCERT Books for Class 10
  • NCERT Books for Class 11
  • NCERT Books for Class 12
  • NCERT Notes for Class 9
  • NCERT Notes for Class 10
  • NCERT Notes for Class 11
  • NCERT Notes for Class 12
  • NCERT Syllabus for Class 6
  • NCERT Syllabus for Class 7
  • NCERT Syllabus for class 8
  • NCERT Syllabus for class 9
  • NCERT Syllabus for Class 10
  • NCERT Syllabus for Class 11
  • NCERT Syllabus for Class 12
  • CBSE Date Sheet
  • CBSE Syllabus
  • CBSE Admit Card
  • CBSE Result
  • CBSE Result Name and State Wise
  • CBSE Passing Marks

CBSE Class 10

  • CBSE Board Class 10th
  • CBSE Class 10 Date Sheet
  • CBSE Class 10 Syllabus
  • CBSE 10th Exam Pattern
  • CBSE Class 10 Answer Key
  • CBSE 10th Admit Card
  • CBSE 10th Result
  • CBSE 10th Toppers
  • CBSE Board Class 12th
  • CBSE Class 12 Date Sheet
  • CBSE Class 12 Admit Card
  • CBSE Class 12 Syllabus
  • CBSE Class 12 Exam Pattern
  • CBSE Class 12 Answer Key
  • CBSE 12th Result
  • CBSE Class 12 Toppers

CISCE Board 10th

  • ICSE 10th time table
  • ICSE 10th Syllabus
  • ICSE 10th exam pattern
  • ICSE 10th Question Papers
  • ICSE 10th Result
  • ICSE 10th Toppers
  • ISC 12th Board
  • ISC 12th Time Table
  • ISC Syllabus
  • ISC 12th Question Papers
  • ISC 12th Result

Schools By Medium

  • Malayalam Medium Schools in India
  • Urdu Medium Schools in India
  • Telugu Medium Schools in India
  • Karnataka Board PUE Schools in India
  • Bengali Medium Schools in India
  • Marathi Medium Schools in India

By Ownership

  • Central Government Schools in India
  • Private Schools in India
  • Schools in Delhi
  • Schools in Lucknow
  • Schools in Kolkata
  • Schools in Pune
  • Schools in Bangalore
  • Schools in Chennai
  • Schools in Mumbai
  • Schools in Hyderabad
  • Schools in Gurgaon
  • Schools in Ahmedabad
  • Schools in Uttar Pradesh
  • Schools in Maharashtra
  • Schools in Karnataka
  • Schools in Haryana
  • Schools in Punjab
  • Schools in Andhra Pradesh
  • Schools in Madhya Pradesh
  • Schools in Rajasthan
  • Schools in Tamil Nadu
  • IMO Syllabus
  • IMO Sample Papers
  • IMO Answer Key
  • IEO Syllabus
  • IEO Answer Key
  • NSO Syllabus
  • NSO Sample Papers
  • NSO Answer Key
  • NMMS Application form
  • NMMS Scholarship
  • NMMS Eligibility
  • NMMS Exam Pattern
  • NMMS Admit Card
  • NMMS Question Paper
  • NMMS Answer Key
  • NMMS Syllabus
  • NMMS Result
  • NTSE Application Form
  • NTSE Eligibility Criteria
  • NTSE Exam Pattern
  • NTSE Admit Card
  • NTSE Syllabus
  • NTSE Question Papers
  • NTSE Answer Key
  • NTSE Cutoff
  • NTSE Result
  • NVS Admit Card
  • Navodaya Result
  • Navodaya Exam Date
  • Navodaya Vidyalaya Admission Class 6
  • JNVST admit card for class 6
  • JNVST class 6 answer key
  • JNVST class 6 Result
  • JNVST Class 6 Exam Pattern
  • Navodaya Vidyalaya Admission
  • JNVST class 9 exam pattern
  • JNVST class 9 answer key
  • JNVST class 9 Result

Download Careers360 App's

Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile

student

Cetifications

student

We Appeared in

Economic Times

If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

To log in and use all the features of Khan Academy, please enable JavaScript in your browser.

Unit 11: Force and pressure

Force - magnitude and direction and its relationship with pressure.

  • Force has direction and magnitude (Opens a modal)
  • What is Pressure? (Opens a modal)
  • Effect of different force on same contact area (Opens a modal)
  • Definition and units of force and pressure Get 5 of 7 questions to level up!
  • Air pressure Get 4 of 5 questions to level up!

Floatation, Buoyant force, Archimedes' principle and Laws of floatation

  • Volume of block is equal to volume of water displaced (Opens a modal)
  • Why do objects float? (Opens a modal)
  • What is Buoyant force? (Opens a modal)
  • Buoyant force equals weight of displaced liquid (Opens a modal)
  • Buoyant force Get 4 of 5 questions to level up!

Pressure changes due to depth of fluid

  • Liquid exerts pressure in all the directions (Opens a modal)
  • Activity: Liquid pressure increases with height (Opens a modal)
  • Explanation: Liquid pressure increases with height (Opens a modal)
  • Effects of pressure in daily life Get 4 of 5 questions to level up!

Study Rankers

NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure

NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure

Chapter 11 Force and Pressure Class 8 Science NCERT Solutions

Class 8 science chapter 10 reaching the age of adolescence ncert questions and answers - topics, chapter 11 force and pressure ncert solutions for class 8 science  - notes, chapter 11 force and pressure class 8 science questions and answers - mcq questions with answers, contact form.

Force and Pressure

Class 8 - ncert science solutions.

Give two examples each of situations in which you push or pull to change the state of motion of objects.

(a) Pull situations (in which state of motion of objects is changed) :

  • Moving a book placed on a table towards ourself to read.
  • We pull the clothes out of the washing machine after they are clean.

(b) Push situations (in which state of motion of objects is changed) :

  • A football player taking a penalty kick, hits (or pushes) the ball towards the goal.
  • A cricket ball hit by a batsman.

Give two examples of situations in which applied force causes a change in the shape of an object.

  • When we press a lump of dough kept on a plate with our hands, its shape changes.
  • When we press a smiley ball, its shape changes.

Fill in the blanks in the following statements.

(a) To draw water from a well, we have to ............... at the rope.

(b) A charged body ............... an uncharged body towards it.

(c) To move a loaded trolley, we have to ............... it.

(d) The north pole of a magnet ............... the north pole of another magnet.

(a) To draw water from a well, we have to pull at the rope.

(b) A charged body attracts an uncharged body towards it.

(c) To move a loaded trolley, we have to pull or push it.

(d) The north pole of a magnet repels the north pole of another magnet.

An archer stretches her bow while taking aim at the target. She then releases the arrow, which begins to move towards the target. Based on this information, fill up the gaps in the following statements using the following terms.

muscular, contact, non-contact, gravity, friction, shape, attraction

(a) To stretch the bow, the archer applies a force that causes a change in its ...............

(b) The force applied by the archer to stretch the bow is an example of ............... force.

(c) The type of force responsible for a change in the state of motion of the arrow is an example of a ............... force.

(d) While the arrow moves towards its target, the forces acting on it are due to ............... and that due to ............... of air

(a) To stretch the bow, the archer applies a force that causes a change in its shape .

(b) The force applied by the archer to stretch the bow is an example of muscular force.

(c) The type of force responsible for a change in the state of motion of the arrow is an example of a contact force.

(d) While the arrow moves towards its target, the forces acting on it are due to gravity and that due to friction of air.

In the following situations, identify the agent exerting the force and the object on which it acts. State the effect of the force in each case.

(a) Squeezing a piece of lemon between the fingers to extract its juice.

(b) Taking out paste from a toothpaste tube.

(c) A load suspended from a spring while its other end is on a hook fixed to a wall.

(d) An athlete making a high jump to clear the bar at a certain height.

A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?

The muscular force applied by the blacksmith on the hot piece of iron changes the shape of the iron and hence, it can be moulded in any desired shape.

An inflated balloon was pressed against a wall after it had been rubbed with a piece of synthetic cloth. It was found that the balloon stuck to the wall. What force might be responsible for the attraction between the balloon and the wall?

An electrostatic charge develops on the balloon after it has been rubbed with a synthetic cloth. Due to this charge the balloon sticks to the wall. The electrostatic force is responsible for the attraction between the balloon and the wall.

Name the forces acting on a plastic bucket containing water held above ground level in your hand. Discuss why the forces acting on the bucket do not bring a change in its state of motion.

We use muscular force in order to hold the bucket of water above the ground. This muscular force acts against the force of gravity that pulls the bucket towards the ground. The two forces are equal in magnitude and opposite in direction. As a result, the net force on the bucket is zero. Hence, there is no change in the state of motion.

A rocket has been fired upwards to launch a satellite in its orbit. Name the two forces acting on the rocket immediately after leaving the launching pad.

When a rocket has been fired upwards to launch a satellite in its orbit, two forces acting on it are:

  • Force of gravity acting downwards
  • Frictional force due to the earth's atmosphere, which opposes its motion.

Question 10

When we press the bulb of a dropper with its nozzle kept in water, the air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The rise of water in the dropper is due to

  • pressure of water
  • gravity of the earth
  • shape of rubber bulb

atmospheric pressure

Reason — When all the air escapes from the nozzle, a low pressure develops inside the tube. Due to this the atmospheric pressure, acting on water becomes more than the pressure inside the tube. As water moves from a higher pressure area to a lower pressure area, hence on releasing the bulb, water gets filled in the dropper.

  • Another action
  • Subsubmenu1
  • Subsubmenu2
  • Book Solutions
  • NCERT Notes
  • Important Questions

Force and Pressure

Ncert solutions for chapter 11 force and pressure class 8 science, ncert solutions for chapter 4 the age of industrialisation class 10 history, related chapters.

  • Crop Production and Management
  • Microorganisms : Friend and Foe
  • Synthetic Fibres and Plastics
  • Materials: Metals and Non-Metals
  • Coal and Petroleum

Related Questions

  • NCERT Revision Notes Chapter 11 Force and Pressure Class 8 Science

Report a problem

  • Question is incorrect
  • Answer is Incorrect
  • Spelling Mistakes
  • Not explained in detail
  • School Solutions
  • Star Program
  • NCERT Solutions Class 12 Maths
  • NCERT Solutions Class 12 Physics
  • NCERT Solutions Class 12 Chemistry
  • NCERT Solutions Class 12 Biology
  • NCERT Solutions Class 12 Commerce
  • NCERT Solutions Class 12 Economics
  • NCERT Solutions Class 12 Accountancy
  • NCERT Solutions Class 12 English
  • NCERT Solutions Class 12 Hindi
  • NCERT Solutions Class 11 Maths
  • NCERT Solutions Class 11 Physics
  • NCERT Solutions Class 11 Chemistry
  • NCERT Solutions Class 11 Biology
  • NCERT Solutions Class 11 Commerce
  • NCERT Solutions Class 11 Accountancy
  • NCERT Solutions Class 11 English
  • NCERT Solutions Class 11 Hindi
  • NCERT Solutions Class 11 Statistics
  • NCERT Solutions Class 10 Maths
  • NCERT Solutions Class 10 Science
  • NCERT Solutions Class 10 English
  • NCERT Solutions Class 10 Hindi
  • NCERT Solutions Class 10 Social Science
  • NCERT Solutions Class 9 Maths
  • NCERT Solutions Class 9 Science
  • NCERT Solutions Class 9 English
  • NCERT Solutions Class 9 Hindi
  • NCERT Solutions Class 9 Social Science
  • NCERT Solutions Class 8 Maths
  • NCERT Solutions Class 8 Science
  • NCERT Solutions Class 8 English
  • NCERT Solutions Class 8 Hindi
  • NCERT Solutions Class 8 Social Science
  • NCERT Solutions Class 7 Maths
  • NCERT Solutions Class 7 Science
  • NCERT Solutions Class 7 English
  • NCERT Solutions Class 7 Hindi
  • NCERT Solutions Class 7 Social Science
  • NCERT Solutions Class 6 Maths
  • NCERT Solutions Class 6 Science
  • NCERT Solutions Class 6 English
  • NCERT Solutions Class 6 Hindi
  • NCERT Solutions Class 6 Social Science
  • NCERT Solutions Class 5 Maths
  • NCERT Solutions Class 5 English
  • NCERT Solutions Class 5 EVS
  • NCERT Solutions Class 4 Maths
  • NCERT Solutions Class 4 English
  • NCERT Solutions Class 4 EVS
  • NCERT Solutions Class 4 Hindi
  • NCERT Solutions Class 3 Maths
  • NCERT Solutions Class 3 English
  • NCERT Solutions Class 3 EVS
  • NCERT Solutions Class 3 Hindi
  • NCERT Solutions Class 2 Maths
  • NCERT Solutions Class 2 English
  • NCERT Solutions Class 2 Hindi
  • NCERT Solutions Class 1 Maths
  • NCERT Solutions Class 1 English
  • NCERT Solutions Class 1 Hindi
  • NCERT Books Class 12
  • NCERT Books Class 11
  • NCERT Books Class 10
  • NCERT Books Class 9
  • NCERT Books Class 8
  • NCERT Books Class 7
  • NCERT Books Class 6
  • NCERT Books Class 5
  • NCERT Books Class 4
  • NCERT Books Class 3
  • NCERT Books Class 2
  • NCERT Books Class 1
  • Important Questions Class 12
  • Important Questions Class 11
  • Important Questions Class 10
  • Important Questions Class 9
  • Important Questions Class 8
  • Important Questions Class 7
  • important questions class 6
  • CBSE Class 12 Revision Notes
  • CBSE Class 11 Revision Notes
  • CBSE Class 10 Revision Notes
  • CBSE Class 9 Revision Notes
  • CBSE Class 8 Revision Notes
  • CBSE Class 7 Revision Notes
  • CBSE Class 6 Revision Notes
  • CBSE Class 12 Syllabus
  • CBSE Class 11 Syllabus
  • CBSE Class 10 Syllabus
  • CBSE Class 9 Syllabus
  • CBSE Class 8 Syllabus
  • CBSE Class 7 Syllabus
  • CBSE Class 6 Syllabus
  • CBSE Class 5 Syllabus
  • CBSE Class 4 Syllabus
  • CBSE Class 3 Syllabus
  • CBSE Class 2 Syllabus
  • CBSE Class 1 Syllabus
  • CBSE Sample Question Papers For Class 12
  • CBSE Sample Question Papers For Class 11
  • CBSE Sample Question Papers For Class 10
  • CBSE Sample Question Papers For Class 9
  • CBSE Sample Question Papers For Class 8
  • CBSE Sample Question Papers For Class 7
  • CBSE Sample Question Papers For Class 6
  • CBSE Sample Question Papers For Class 5
  • CBSE Sample Question Papers For Class 4
  • CBSE Sample Question Papers For Class 3
  • CBSE Sample Question Papers For Class 2
  • CBSE Sample Question Papers For Class 1
  • CBSE Previous Year Question Papers Class 12
  • CBSE Previous Year Question Papers Class 10
  • Extra Questions For Class 8 Maths
  • Extra Questions For Class 8 Science
  • Extra Questions For Class 9 Maths
  • Extra Questions For Class 9 Science
  • Extra Questions For Class 10 Maths
  • Extra Questions For Class 10 Science
  • NEET 2021 Question Paper
  • NEET 2020 Question Paper
  • NEET 2019 Question Paper
  • NEET 2018 Question Paper
  • NEET 2017 Question Paper
  • NEET 2016 Question Paper
  • NEET 2015 Question Paper
  • NEET Physics Questions
  • NEET Chemistry Questions
  • NEET Biology Questions
  • NEET Sample Papers
  • NEET Physics Syllabus
  • NEET Chemistry Syllabus
  • NEET Biology Syllabus
  • NEET Mock Test
  • NEET Eligibility Criteria
  • JEE Main 2021 Question Paper
  • JEE Main 2020 Question Paper
  • JEE Main 2019 Question Paper
  • JEE Main 2018 Question Paper
  • JEE Main 2017 Question Paper
  • JEE Main 2016 Question Paper
  • JEE Main 2015 Question Paper
  • JEE Main Sample Papers
  • JEE Main Physics Syllabus
  • JEE Main Chemistry Syllabus
  • JEE Main Maths Syllabus
  • JEE Main Physics Questions
  • JEE Main Chemistry Questions
  • JEE Main Maths Questions
  • JEE main revision notes
  • JEE Main Mock Test
  • JEE Advanced Physics Questions
  • JEE Advanced Chemistry Questions
  • JEE Advanced Maths Questions
  • JEE Advanced 2021 Question Paper
  • JEE Advanced 2020 Question Paper
  • JEE Advanced 2019 Question Paper
  • JEE Advanced 2018 Question Paper
  • JEE Advanced 2017 Question Paper
  • JEE Advanced 2016 Question Paper
  • JEE Advanced 2015 Question Paper
  • JEE Advanced Physics Syllabus
  • JEE Advanced Chemistry Syllabus
  • JEE Advanced Maths Syllabus
  • JEE Advanced Mock Test
  • ISC Class 12 Syllabus
  • ISC Class 11 Syllabus
  • ICSE Class 10 Syllabus
  • ICSE Class 9 Syllabus
  • ICSE Class 8 Syllabus
  • ICSE Class 7 Syllabus
  • ICSE Class 6 Syllabus
  • ISC Sample Question Papers for Class 12
  • ISC Sample Question Papers for Class 11
  • ICSE Sample Question Papers for Class 10
  • ICSE Sample Question Papers for Class 9
  • ICSE Sample Question Papers for Class 8
  • ICSE Sample Question Papers for Class 7
  • ICSE Sample Question Papers for Class 6
  • ICSE Class 10 Revision Notes
  • ICSE Class 9 Revision Notes
  • ISC Important Questions for Class 12
  • ISC Important Questions for Class 11
  • ICSE Important Questions for Class 10
  • ICSE Important Questions for Class 9
  • ICSE Important Questions for Class 8
  • ICSE Important Questions for Class 7
  • ICSE Important Questions for Class 6
  • ISC Class 12 Question Paper
  • ICSE Class 10 Question Paper
  • Maharashtra Board Syllabus
  • Maharashtra Board Sample Question Paper
  • Maharashtra Board Previous Year Question Paper
  • AP Board Syllabus
  • AP Board Sample Question Paper
  • AP Board Previous Year Question Paper
  • Tamilnadu Board Syllabus
  • Tamilnadu Board Sample Question Paper
  • Tamilnadu Board Previous Year Question Paper
  • Telangana Board Syllabus
  • Telangana Board Sample Question Paper
  • Telangana Board Previous Year Question Paper
  • Karnataka Board Syllabus
  • Karnataka Board Sample Question Paper
  • Karnataka Board Previous Year Question Paper
  • Examination Full Forms
  • Physics Full Forms
  • Chemistry Full Forms
  • Biology Full Forms
  • Educational Full Form
  • CUET Eligibility Criteria
  • CUET Exam Pattern
  • CUET Cutoff
  • CUET Syllabus
  • CUET Admit Card
  • CUET Counselling
  • CUET Previous Year Question Papers
  • CUET Application Form
  • CUET Sample Papers
  • CUET Exam Centers
  • CUET Exam Dates
  • CUET Results
  • Physics Formulas
  • Chemistry Formulas
  • Math Formulas
  • Algebra Formulas
  • Geometry Formulas
  • Trigonometry Formulas
  • Subscription

Important Questions Class 8 Science Chapter 11

Home > CBSE > Important Questions Class 8 Science Chapter 11

case study of force and pressure class 8

  • CBSE Important Questions
  • Important Questions Class 6
  • CBSE Previous Year Question Papers
  • CBSE Revision Notes
  • CBSE Syllabus
  • CBSE Extra Questions
  • CBSE Sample Papers
  • ISC & ICSE Syllabus
  • ICSE Syllabus Class 9
  • ICSE Syllabus Class 8
  • ICSE Syllabus Class 7
  • ICSE Syllabus Class 6
  • ICSE Syllabus Class 10
  • ICSE Question Paper
  • ICSE Sample Question Papers
  • ISC Sample Question Papers For Class 12
  • ISC Sample Question Papers For Class 11
  • ICSE Sample Question Papers For Class 10
  • ICSE Sample Question Papers For Class 9
  • ICSE Sample Question Papers For Class 8
  • ICSE Sample Question Papers For Class 7
  • ICSE Sample Question Papers For Class 6
  • ICSE Revision Notes
  • ICSE Important Questions
  • ISC Important Questions For Class 12
  • ISC Important Questions For Class 11
  • ICSE Important Questions For Class 10
  • ICSE Important Questions For Class 9
  • ICSE Important Questions For Class 8
  • ICSE Important Questions For Class 7
  • ICSE Important Questions For Class 6
  • Maharashtra board
  • Rajasthan-Board
  • Andhrapradesh Board
  • AP Board syllabus
  • Telangana Board
  • Tamilnadu Board
  • Tamilnadu Sample Question Paper
  • Tamilnadu Syllabus
  • Tamilnadu Previous Year Question Paper
  • NCERT Solutions Class 12
  • NCERT Solutions Class 10
  • NCERT Solutions Class 11
  • NCERT Solutions Class 9
  • NCERT Solutions Class 8
  • NCERT Solutions Class 7
  • NCERT Solutions Class 6
  • NCERT Solutions Class 5
  • NCERT Solutions Class 4
  • NCERT Solutions Class 3
  • NCERT Solutions Class 2
  • NCERT Solutions Class 1
  • JEE Main Question Papers
  • JEE Main Syllabus
  • JEE Main Questions
  • JEE Main Revision Notes
  • JEE Advanced Question Papers
  • JEE Advanced Syllabus
  • JEE Advanced Questions
  • JEE Advanced Sample Papers
  • NEET Question Papers
  • Neet 2021 Question Paper
  • Neet 2020 Question Paper
  • Neet 2019 Question Paper
  • Neet 2018 Question Paper
  • Neet 2017 Question Paper
  • Neet 2016 Question Paper
  • Neet 2015 Question Paper
  • NEET Syllabus

Important Questions Class 8 Science Chapter 11 – Force and Pressure

Science is a very important subject taught in school. It helps us  solve all real-life problems with logic and clarity. In this chapter, students will study force and pressure. 

In physics, the force can be defined as an influence that changes an object’s motion. The force can be applied from outside of an object, or it can be an internal influence. On the other hand, pressure is the force applied perpendicularly to every unit of an area. Thus, the pressure depends on the force and the area.  Students must spend as much time as possible practising the chapter’s questions.

Extramarks is a leading company that provides all the important study materials. Our experts have made the Important Questions Class 8 Science Chapter 11 to help students in practice. They collected the questions from different sources, such as the textbook exercises, CBSE sample papers, CBSE past years’ question papers, and important reference books. They have solved the questions too. Thus, this article will help students to score better on exams.

Extramarks is a very reputed company in India, and we provide all the necessary study materials related to CBSE and NCERT. You can download these study materials after registering on our official website. You will find the CBSE syllabus, CBSE past years’ question papers, CBSE sample papers, CBSE extra questions, CBSE revision notes, NCERT books, NCERT important questions, NCERT solutions, NCERT Exemplar, vital formulas, and many more.

Get Access to CBSE Class 8 Science Important Questions 2022-23 with Chapter-Wise Solutions

You can also find CBSE Class 8 Science Chapter-by-Chapter Important Questions here:

Important Questions Class 8 Science Chapter 11 – With Solutions

Extramarks is a leading company that provides all the important study materials. Our experts have made this question series after collecting suitable questions from different sources. They have accumulated the questions from the textbook exercises, CBSE sample papers, CBSE past years’ question papers, important reference books, and NCERT exemplars. They have also solved the questions, and experienced professionals have further checked the answers to ensure the best quality of the content. Thus, the Important Questions Class 8 Science Chapter 11 will help students  score better in exams. The important questions are-

Question 1. Give any two examples of each situation where you push or pull to change the state of motion of the objects.

Examples of  situations where you push or pull to change the state of the motion of objects.

  • The Pull situations are- 
  • i) In order to open a drawer, we will eventually have to pull it. This action results in a change in the state of motion of the drawer.
  • ii) To draw water from a well, the rope is pulled by applying force. This action results in a change in the state of motion of the bucket.
  • The Push Situations are
  • i) A football is pushed by the foot of a player. This action results in a change in the state of motion of the ball.
  • ii) To move the heavy box from one room to another, we will need to push it.This action results in a change in the motion of the box.

  Question 2. Give any two examples of situations in which the applied force causes a major change in the shape of an object.

The forces that change the shape of the object are as follows:

  • i) By pressing the clay between our hands, it deforms.
  • ii) The shape of the plastic bottle also changes by squeezing it.

Question 3. An archer stretches her bow while taking aim at a target. She then releases the arrow, which then begins to move towards the target. Based on the above information, fill in the gaps in the following statements using these terms.

muscular, contact, noncontact, gravity, friction, shape, and attraction

(i) The Archer applies force to stretch the bow. This force causes a change in its __________.

(ii) The Archer applies force to stretch the bow. The force applied is an example of __________ force.

(iii) The type of force that is responsible for a change in the state of the arrow’s motion is an example of a __________ force.

(iv) While the arrow moves towards its target, the forces acting on it result from __________ and from __________ of air.

(i)The Archer applies a force to stretch the bow. This force causes a change in its shape.

(ii)The Archer applies a force to stretch the bow. The force applied is an example of muscular force.

(iii) The type of force that is responsible for a change in the state of the motion of the arrow is an example of the contact force.

(iv) While the arrow moves towards its intended target, the forces acting on it result from gravity and from the friction of the air.

Question 4. In the following situations, identify the agent that exerts the force and the object on which it acts. Also, state the effect of the force in each case.

(i) Squeezing a lemon between your fingers to extract lemon juice

(ii) Taking out paste from a toothpaste tube.

(iii) A load that is suspended from a spring while its other end is attached to a hook fixed to a wall.

(iv) An athlete making a high jump to clear the bar at a certain height

  • i) We use muscular force to extract the juice of a lemon by squeezing it between the fingers. As a result, the shape of the lemon changes.
  • ii) To take out the paste from the toothpaste tube, we use muscular force. This muscular force acts on the toothpaste tube, leading to a change in its shape.

iii) Here, the suspended load exerts a force on the spring, which results in pushing the spring downwards. As a result, the spring gets stretched. Hence, its shape changes.

  • iv) The feet of the athlete exert a muscular force on the ground, which then pushes the ground. This force then allows him to jump over the bar. As a result, the state of motion gets changed.

Question 5. While making a tool, a blacksmith hammers the tool with a hot piece of iron. How does the force involved in the hammering affect this piece of iron?

When hammering a hot piece of iron, a blacksmith uses muscular force. This muscular force results in the changing of the shape of the hot iron so that it can result in the desired shape.

Question 6. An inflated balloon is pressed against the wall after being rubbed with a piece of synthetic cloth. It was found that after rubbing the balloon, it stuck to the wall. What force is responsible for the attraction that is between the balloon and the wall?

When an inflated balloon is rubbed together with a piece of synthetic cloth, the balloon becomes charged. And a charged body always attracts an uncharged body. So, when this charged balloon is pressed against a wall, it sticks to the wall. Thus, an electrostatic force is generated that acts between the charged balloon and the wall.

Question 7. Name the forces that act on a plastic bucket containing water that is held above ground level in your hand. Also, discuss why these forces acting on the bucket do not bring about a change in its state of motion.

To hold these buckets of water above the ground, we have to use muscular force. Now, this muscular force acts against the force of gravity (gravitational force) that pulls the bucket towards the ground. Hence, the two forces are equal in magnitude but opposite in direction. Hence, the net force applied to the bucket is zero. Also, there is no change in the state of motion.

Question 8. . A rocket has been fired upwards in the sky to launch a satellite in its orbit. Name the two forces that act on the rocket immediately after it leaves the launching pad.

The force of gravity (gravitational force) is one of the forces that act on the rocket, and it tries to pull it towards the ground, while the other one is the force of friction applied due to the earth’s atmosphere, which opposes its motion.

Question 9. When we press the bulb of the dropper with its nozzle, which is kept in the water, the air present in the dropper is seen to escape in the form of water bubbles. And once we release the pressure on the bulb of the dropper, water gets filled in the dropper. This rise in dropper water is caused by

(i) the pressure of water.

(ii) gravity of the earth.

(iii) shape of a rubber bulb.

(iv) Atmospheric Pressure

Option iv is the right answer.  

Explanation- The amount of water in the dropper increases due to atmospheric pressure.

When all the air escapes from the dropper’s nozzle by applying pressure, the atmospheric pressure then acts on the water forces the water in an upward direction and fills the nozzle of the dropper.

Question 10. During the dry weather, while combing our hair, we sometimes experience hair flying apart. The force responsible for this is

(i) force of gravity.

(ii) electrostatic force.

(iii) the force of friction.

(iv) magnetic force.

The correct answer is (ii) electrostatic force.

Explanation:

On combing our hair, the comb and hair get oppositely charged due to electrostatic force.

Question 11. Two objects repel each other. This force of repulsion could be due to

(i) frictional force only

(ii) electrostatic force only

(iii) magnetic force only

(iv) either a magnetic or an electrostatic force

The correct answer is option (iv), either a magnetic force or an electrostatic force.

Explanation: when two objects are simultaneously experiencing repulsive force, this can be because there may be a presence of an electrostatic force or a magnetic force.

Question 12. Which one of the following forces is a contact force?

(i) force of gravity

(ii) force of friction

(iii) magnetic force

(iv) electrostatic force

The correct answer is (ii) the force of friction.

Explanation :

The force of attraction acts only when these bodies are in contact with each other.

Question 13. Two persons are applying forces to the two opposite sides of a moving cart. The cart still moves after applying the force, with the same speed and in the same direction. What do you understand from the above case about the magnitudes and directions of the forces applied?

The force applied is of equal magnitude in the opposite directions; hence, the cart moves forward at the same speed in the same direction.

Question 14. Two thermocouple balls are held close to each other, and after some time, When they are released, they move away from each other. Name the force that will be responsible for the above phenomenon. Explain it in brief.

Two thermocouple balls are held close to each other, and after some time, when they are released, they move away from each other because of the electrostatic force. The balls having similar charges move away due to the repulsion force acting between similar charges.

Question 15 . An archer horizontally shoots an arrow in the air. However, after flying some distance, the arrow falls to the surface. Name the initial force that acted and set the arrow in motion. Also, explain why the arrow falls down.

The Archer uses muscular force to stretch the string. This muscular force will change the shape of the arrow. When the string that released the arrow regains its original position, the original position is the one that gives it the initial force to set the motion. The arrow falls down because of the gravitational force through which it comes down after some time.

Question 16. It is difficult to cut cloth with scissors that have blunt blades. Explain in brief.

The blunt blade has a larger area as compared to the shard-edged blades. Because of this, the blunt-blade scissors produce low pressure, which makes it difficult to cut the cloth. On the other hand, in a sharp blade, the surface area is much smaller, which in turn increases the pressure produced. This increased pressure makes cutting the cloth easier with sharp blades.

Question 17. Two women are of the same weight. One of them wears sandals with pointed heels, while the other woman wears sandals with flat soles. Which one of them would feel more comfortable while walking on a sandy beach? Also, give reasons for your answer.

Although both women’s heights are the same, they also carry the same weight when they walk. But the woman wearing the sandal with flat heels will be more comfortable than the woman wearing sandals with pointed heels while walking on a sandy beach. This is because the flat soles have a larger surface area as compared to sandals with pointed heels. 

Also, the pressure exerted by the woman with pointed heels will be greater as compared to that of the woman wearing sandals with flat soles. 

This increased pressure will make walking on sand in sandals with pointed soles difficult.

  Question 18 . It is much easier to burst an inflated balloon with a needle than with a finger. Explain why.

 It is easier to burst an inflated balloon with a needle rather than with a finger because the pressure exerted on the inflated balloon by a needle will be more as compared to the finger. This larger pressure is due to the smaller area of contact, and so this pressure pierces the surface of the balloon easily, which then makes it burst.

Question 19. A chapati maker is a machine that converts small balls of dough into round chapati. What effect does force have in this process?

Answer 19: The force that comes into play in this process is called pressure.  Hence, the pressure exerted by the chapati maker on the dough converts the small balls of the dough into chapatis.

Question 20. Fruits that get detached from a tree fall due to the force of gravity. We know that this force arises due to the interaction between two different objects. Name the objects interacting in the above case.

Answer 20: Earth and the fruit are the interacting objects in the above case. The force of gravity is applied by the earth to the fruit. Hence, that is why it falls down. 

Question 21. Discuss contact and non-contact forces briefly.

Answer 20. Contact Forces are-

  • a) Muscular Forces: Muscular Force is the force that is caused by the muscular power of a human being or an animal on any object. It occurs when the object is in contact with the body that is applying the force.

b)Friction: It is applied by the surface in resistance to the motion of an object over it.

Noncontact Forces are-

  • a) Magnetic Force: Magnetic Force is the force exerted by the two magnets that can move toward or against each other. It can exist between the magnet and the magnetic object. Hence, this is known as a magnetic force.
  • b) Electrostatic Force: The force applied by a charged body to another charged or uncharged body is called electrostatic force.
  • c) Gravitational Force: An attractive force between objects that depends on the mass of two bodies is called Gravitational Force.

Question 22. What is force?

In Science, when an object gets displaced or tends to get displaced from its original position, it requires an external agent to do the work. This external agent is called a force. It is of two different types: push force and pull force. Also, force is a vector quantity that has both magnitude and direction.

Question 23. What Can a Force Do?

Answer 23- 

It can also change the state of the motion of an object.

It can also change the direction of an object.

It can also change the shape of an object. 

Question 24. What do you mean by “friction”?

Friction is the kind of force that is actually responsible for changing any kind of state of motion. For example, when an object slides on a smooth surface, the friction generated is less than when the object slides on a rough surface.

Question 25 . What is Pressure?

The pressure on an object is defined as the force which is acting on its square unit surface area. 

Pressure = Force divided by the area of the surface

Its unit is newton per m2. Atmospheric pressure is defined as the pressure of the air around us.

Question 26 . Do Liquids and Gases Exert Pressure on the Surface?

Yes, both liquids and gases exert pressure on the surface. It can also be understood with an example. If we fill a balloon with either water or air, then after a certain amount of time, the balloon bursts. This is because of the pressure that is exerted by air or water on the surface of the balloon.  

Question 27. When a force applied to an object is equal and opposite in nature, then this force will

  • a) May move the object.
  • b) Change the shape of an object and may move the object.
  • c) May stop a moving object.
  • d) Do not move the object but it can cause a change in its shape.

Answer 27: Option d is the correct answer.

Explanation. 

It will not move the object but will cause a change in its shape.

Question 28. Find out the type of force that is acting in the below situations.

  • a) A coin or a pen falls down to the ground when it gets slipped out of hand.

Answer: The Gravitational Force acts when a coin or a pen falls to the ground when it slips out of your hand.

  • b) A boat comes to rest when someone stops rowing it.

Answer: Due to friction, a boat comes to rest when someone stops rowing it.

c)When a person lifts a heavy bucket of water.

Answer: Muscular Force acts when a person lifts a heavy bucket of water.

Question 29 . Describe the state of motion of an object briefly.

Answer 29: The motion of any object is always defined by its speed and direction. The resting state is always considered to be the state of zero speed. An object may be at rest or in motion; these are its two states of motion.

Question 30. Explain briefly why a ball rolling along the ground gradually slows down and comes to rest.

Answer 30: A ball rolling along the ground always gradually slows down and comes to rest because of friction. In the above case, the frictional force acts between the surface of the ball and the ground and acts opposite to the direction of the motion, which eventually brings the ball to rest after some time.

Question 31. Explain why the porters place a round piece of cloth on their heads whenever they have to carry heavy loads. 

Answer 31: Porters place a round piece of cloth on their heads whenever they have to carry heavy loads because, by using this method, their area of contact with the load increases and the pressure on their heads decreases. since the pressure is inversely proportional to the area of contact on their head. This makes it easier for the porters to carry heavy loads.

Question 32. What type of force is friction – a contact or a noncontact force? Why?

Answer 32: Friction is termed “contact force” because it arises due to contact between two surfaces. While rubbing against each other, the contact surface exhibited frictional motion. This frictional force always acts in the direction that is opposite to the direction of the motion.

Question 33. Do you think that sometimes the application of force does not result in a change in the state of motion? Describe this with an example.

 Sometimes the application of force does not result in a steady change in the state of motion. This, however, does not mean that the force is not applied; instead, it means that the force that is applied is not enough to result in a change in the state of motion, i.e., move the object.

  For example, imagine applying specific pressure to a wall or a heavy stone and it not moving.

Question 34. What are the effects of the application of force on the object? Explain it in brief.

Answer 34:  

The effects of the application of force on the object are as follows:

  • The shape of an object can be changed.

For example, a cricket ball changes shape temporarily when it is hit by a bat.

  • The direction of a moving object can also be changed.

 For example, the direction of the cricket ball also changes when it is hit by the bat.

iii. A moving object can be easily brought to rest.

 For example, putting a hand in front of the rolling ball will bring it to rest.

  • A stationary object can easily be brought to motion.

For example, rolling a stationary ball on a flat surface can easily set it in motion.

  • It can change the speed of an object.

For example, further pushing a rolling ball on the surface in the same direction as its motion results in an increase in its speed.

Question 35. Demonstrate an experiment to show that the liquids exert pressure on the walls of the container.

Answer 35:  To show that the liquids exert pressure on the walls of the container in which they are filled. We start with a plastic bottle and then attach a few centimetres long cylindrical glass tube near the bottom of the bottle.To do this, you can first simply heat one end of the glass tube and then immediately insert it near the bottom of the plastic bottle. Now, seal any leakage, if present, with molten wax. And then, cover the open end of the glass tube with a thin rubber sheet. Afterwards, fill half of the plastic bottle with water.

Also, note that the rubber sheet bulges out, which happens due to the pressure that is applied by water. The above experiment proves that the liquids exert pressure on the walls of the container.

Benefits of Solving Important Questions Class 8 Science Chapter 11

Practice is very important for students to score better in exams. It helps them in many ways, like increasing their confidence, and generating interest in the subject matter, among other things. So, students must take help from other books to solve questions regularly, which will help them become better at the subject. There will be multiple benefits to solving the important Questions Class 8 Science Chapter 11. These are-

  • The experts of Extramarks identify the importance of practice. They have collected the questions from different sources so students can solve them regularly. They have collated the questions from the textbook exercises, CBSE sample papers, important reference books, and NCERT Exemplars. They have also included a few questions from previous years’ CBSE question papers so that students are aware of possible exam questions. Thus, the Important Questions Class 8 Science Chapter 11 will provide them with a wide range of questions and help them boost their confidence.
  • The experts have not only collected the questions  but have also provided the answers. They have solved each of the questions, and students can follow the solutions if they cannot solve any question. They can also check their answers with the answers provided by the experts. Furthermore, experienced professionals have further checked the answers to ensure the best quality of the content. As a result, the Chapter 11 Important Questions for Class 8 Science will also assist them in answering various types of questions, allowing students to feel more confident about the subject matter.
  • Many students tend to be afraid of science. They may require assistance in comprehending the subject matter or clarification of their doubts
  • Science is a very interesting subject, and one must practise more and more to build their concepts. The experts have taken care of this fact as well. This is why they have not only collected the questions but also provided the answers. Thus, students can follow the solutions, and their doubts get answered. So, the Science Class 8 Chapter 11 Important Questions will guide the students to build their concepts strongly, and they can be interested in the subject matter. Thus, this article will also help them boost their confidence and better prepare for the exams.

Extramarks is a leading company that provides all the important study materials related to CBSE and NCERT. You can download these study materials after registering on our official website. We provide CBSE syllabus, CBSE extra questions, CBSE past years’ question papers, CBSE extra questions, CBSE revision notes, NCERT exemplars, NCERT important questions, NCERT solutions, NCERT books, CBSE sample papers, vital formulas, and many more. Like the Important Questions Class 8 Science Chapter 11, you will also find important questions for other chapters. The links to the study materials are given below-

  • NCERT books
  • Important questions
  • CBSE syllabus
  • CBSE sample papers
  • CBSE past years’ question papers
  • Important formulas 
  • CBSE extra questions

Share this with your friends

  • Click to share on Facebook (Opens in new window)
  • Click to share on Twitter (Opens in new window)
  • Click to share on LinkedIn (Opens in new window)
  • Click to share on WhatsApp (Opens in new window)

Q.1 What are the characteristics of the image formed by a plane mirror How is the position of the image related to the position of the object

Marks: 5 Ans

Characteristics of the image formed by a plane mirror: (i) It is virtual. (ii) It is always erect. (iii) It is of the size of the object. (iv) The image is formed as far behind the mirror as the object is in front of it. (v) The image is laterally inverted. (vi) Image is situated on the perpendicular drawn from the object to the mirror. The position of the image is at the same distance behind the mirror as the object is in front of it. If the object is shifted by a distance d towards the mirror, the image will also shift by the same distance d towards the mirror, i.e., the separation between the object and image will decrease by 2d.

Q.2 Define reflection of light. Name the types of reflection.

Marks: 1 Ans

The return of light into the same medium after striking a surface is called reflection.

There are usually two kinds of reflection:

(i) Regular reflection. (ii) Irregular reflection.

Q.3 Define dispersion of light.

Marks: 2 Ans

The splitting of white light into seven colours on passing through a transparent medium, like a glass prism is called dispersion of light.

Q.4 What is a cataract How this defect can be removed

A cataract is an eye defect that usually occurs in old age. In this eye defect, eyesight becomes foggy because the eye lens becomes cloudy. There is a loss of vision. This defect can be treated when the opaque lens is removed and the new artificial lens is inserted.

Please register to view this section

Cbse class 8 science important questions, chapter 1 - crop production and management.

case study of force and pressure class 8

Chapter 2 - Microorganisms : Friend and Foe

Chapter 3 - synthetic fibres and plastics, chapter 4 - materials : metals and non-metals, chapter 5 - coal and petroleum, chapter 6 - combustion and flame, chapter 7 - conservation of plants and animals, chapter 8 - cell - structure and functions, chapter 9 - reproduction in animals, chapter 10 - reaching the age of adolescence, chapter 12 - friction, chapter 13 - sound, chapter 14 - chemical effects of electric current, chapter 15 - some natural phenomena, chapter 16 - light, chapter 17 - stars and the solar system, chapter 18 - pollution of air and water, faqs (frequently asked questions), 1. how can the important questions class 8 science chapter 11 help students.

Extramarks is a leading company that provides all the important study materials related to CBSE and NCERT. Our experts created important questions to assist students in practice. They have collected the questions from CBSE sample papers, CBSE past years’ question papers, important reference books, and textbook exercises. Thus, students can search for questions in different sources, but they will find them in the Important Questions Class 8 Science Chapter 11. Furthermore, the experts have solved the questions, and experienced professionals have further checked the answers. Thus, the question series will help students score better on exams. It will also help them generate interest in the subject matter.

CBSE Related Links

case study of force and pressure class 8

Fill this form to view question paper

Otp verification.

case study of force and pressure class 8

25,000+ students realised their study abroad dream with us. Take the first step today

Here’s your new year gift, one app for all your, study abroad needs, start your journey, track your progress, grow with the community and so much more.

case study of force and pressure class 8

Verification Code

An OTP has been sent to your registered mobile no. Please verify

case study of force and pressure class 8

Thanks for your comment !

Our team will review it before it's shown to our readers.

case study of force and pressure class 8

Class 8 Force and Pressure

' src=

  • Updated on  
  • Apr 7, 2021

Class 8 Force and Pressure

Ever wondered how the game of tug of wars works? Why is it considered the ultimate game to decide strength? Why do your team members scream at you to apply more force to win the game? The game is a simple case of push and pull force applied by the opposing teams. Are you studying Class 8 Science chapter on Force and Pressure? Read this blog to find the essential concepts covered in Class 8 Force and Pressure as well as notes and solutions.

Check Out: Class 8 Science Projects

This Blog Includes:

What is a force, what is the magnitude, what are the effects of a force, contact forces, non-contact forces, what is pressure, atmospheric pressure.

The first topic in Class 8 Force and Pressure is what does Force mean? A force is simply defined as a push or a pull on a particular object. For instance, when someone pushes a car in a particular direction and the car moves in the direction of the applied force. This action is called force. Similarly, if you kick a ball in a particular direction or pull open a door, you use force to do these activities.

As per the Class 8 chapter on Force and Pressure, the use of force requires interaction between at least two objects. For instance, when you push a table or pull a chair, this action is considered a force because there is an interaction between two objects.

There are different forms of forces:

  • When we apply force in the same direction, it adds to one another. For instance, if A is pushing a table in one direction and B decides to help A move the table and applies force from the same direction then the force adds to one another.
  • When we apply force on an object from two different directions then it creates a difference between the two forces. For instance, if A is pushing table in one direction by applying force and B starts to push the table in the opposite direction, then whoever uses greater force would win.

The Most Difficult Science Quiz You’ll Take Today!

According to NCERT Class 8 Force and Pressure, Magnitude refers to the measurement of the strength/amount of the applied force. 

Here are the major effects of a force as per Class 8 Force and Pressure:

  • Force can change the state of motion A force changes the state of motion by moving a still object or by stopping a moving object. If you kick a stationary ball or pick a book, you do so by the use of force and change the state of an object. Similarly, if you catch a ball while playing, you stop a moving object.    
  • Force can also change the direction of the moving object For instance, while applying a game of volleyball, the direction of the ball is moved according to the force applied.
  • Force can change the shape of an object If force is applied to an object then the shape of that object can be shaped as well. For instance, if you apply force to a lump of clay, you can mould it however you want.

What are the Different Types of Forces?

There are certain forces that are a result of contact while others are called non-contact forces. Let’s find out what contact and non-contact forces are:

The Class 8 chapter on Force and Pressure elaborates upon the two types of Contact Forces which are Muscular and Friction forces:

Muscular Force A muscular force is defined as a force that is the outcome of the use of muscles. For instance, when you pick up a ball or push open the door or when bulls pull carts. All these actions are a result of muscular force applied by the person. It is a contact force because the interaction between the two objects is possible only through physical contact.

Friction Force The force of friction can also change the state of an object. Friction force always acts on moving objects and the direction of this force is always opposite to the object in motion. For instance, when a moving ball stops, it is an example of this force. Friction is a result of contact between two surfaces that is why it is called a contact force.

The three types of Non-Contact forces are Magnetic force, Electrostatic force and Gravitational force. Let’s understand the definitions of each of these non-contact forces as per Class 8 Force and Pressure.

  • Magnetic Force : Magnets exert a force similar to push and pull action on other magnets without any form of contact. This is why the magnetic force is called a non-contact force.
  • Electrostatic Force : Electrostatic force is a force applied by a charged body on another charged or uncharged body.
  • Gravitational Force : The gravitational force is the force that pulls all objects towards the earth surface. For instance, when a coin falls or when the tap water falls towards the floor, it is a result of the force of gravity.     

Now that we have covered the concept of force in Science, let’s understand the latter part of the Class 8 Force and Pressure that focuses on the topic of Pressure. When force is applied to the per unit area of a surface, it is called pressure. If the surface area decreases, the pressure increase simultaneously when the surface area increase, pressure decreases. For instance, when we put the sharp edge of a nail against the wall to drill it in because that end provides a small surface area so that adequate pressure and force can be applied.

The formula for pressure is – Pressure = Force/Area

The pressure exerted by Liquids and Gases. Both liquids and gases exert pressure on the inner walls of the container they are kept in. For instance, if there is a hole in a water bottle, the water will leak out because of the pressure exerted by water on the bottle. Similarly, gases apply pressure on the inner surface of the container. If we will up a balloon with air, the pressure inflates the balloon and if we don’t trap the opening then the air will escape.

The pressure exerted by the air around us is called atmospheric pressure. This pressure is a result of the weight of gases in the earth atmosphere around us. This air pressure is equal to the pressure inside our bodies that is why we are not crushed by the air pressure. For instance, when a rubber sucker is pressed on a surface, all the air between the cup and the surface escapes, as a result, the rubber sucker clings to the surface because of the immense air pressure acting on it. 

The force of air pressure is great. To prove the same, a german scientist, Otto von Guericke, joined two metallic hemispheres and removed all the air out of the two hemispheres. The scientist used 16 horses, eight on each side to separate the attached hemisphere but they failed because of the absence of air inside and the force of air pressure.

We hope that this blog has familiarized you with Class 8 Force and Pressure notes. You can also check out more such Leverage Edu study notes and CBSE guides available on our blog that can help you ace your school exams! Follow us on Instagram , Twitter , Facebook and YouTube to stay tuned to the latest educational content!

' src=

Team Leverage Edu

Leave a Reply Cancel reply

Save my name, email, and website in this browser for the next time I comment.

Contact no. *

This was very helpful 👍👍

This was very helpful. Thank you for doing this… It helped me alot.👍

Thanks for reading. Also, read our blogs: Ruling the Countryside Class 8 Notes The Making of National Movement Class 8

When you rubber suker on a smooth surface it sticks to the surface explain why this happens

browse success stories

Leaving already?

8 Universities with higher ROI than IITs and IIMs

Grab this one-time opportunity to download this ebook

Connect With Us

25,000+ students realised their study abroad dream with us. take the first step today..

case study of force and pressure class 8

Resend OTP in

case study of force and pressure class 8

Need help with?

Study abroad.

UK, Canada, US & More

IELTS, GRE, GMAT & More

Scholarship, Loans & Forex

Country Preference

New Zealand

Which English test are you planning to take?

Which academic test are you planning to take.

Not Sure yet

When are you planning to take the exam?

Already booked my exam slot

Within 2 Months

Want to learn about the test

Which Degree do you wish to pursue?

When do you want to start studying abroad.

September 2024

January 2025

What is your budget to study abroad?

case study of force and pressure class 8

How would you describe this article ?

Please rate this article

We would like to hear more.

InfinityLearn logo

Force and Pressure Class 8 Extra Questions Science Chapter 11

February Offer

Table of Contents

Force and Pressure Class 8 Notes Extra Questions Science Chapter 11

Force and pressure class 8 extra questions very short answer questions.

Question 1. What is the name of the instrument used to measure atmospheric pressure? Answer: Barometer

Fill Out the Form for Expert Academic Guidance!

Please indicate your interest Live Classes Books Test Series Self Learning

Verify OTP Code (required)

I agree to the terms and conditions and privacy policy .

Fill complete details

Target Exam ---

Question 2. Give two examples of contact force. Answer:

  • Muscular force
  • Force of friction

Question 3. Name the force exerted on a ball of dough to make a flat chapati. Answer: Muscular force

Question 4. What kind of force is an electrostatic force? Answer: Non-contact force

Question 5. Is the gravity a property of earth only? Answer: No

Question 6. Name the force due to which every object falls on earth. Answer: Gravitational force

Question 7. What do you mean by pressure? Answer: Force per unit area (Force/Area)

Question 8. Do liquids and gases also exert pressure? Answer: Yes

Question 9. What are the two states of motion? Answer:

  • The state of rest.
  • The state of motion.

Question 10. What kind of force is friction? Answer: Contact force

Question 11. What type of force is gravitational force? Answer: Non-contact force

Question 12. Is it true that force acting on an object can also change its shape? Answer: Yes, it is true.

Question 13. While sieving grains, small pieces fall down. Which force pulls them down? Answer: Gravitational force

Question 14. How can we change the speed and the direction of a moving body? Answer: By applying force.

Question 15. What is the distance moved by an object in unit time called? Answer: Speed

Question 16. Does force of gravity act on dust particles? Answer: Yes

Question 17. Does the force of gravitation exist between two astronauts in space? Answer: Yes

Question 18. What is a force? Answer: A push or pull on an object is called force.

Question 19. What is the SI unit of pressure? Answer: Pascal (Pa)

Question 20. At least how many objects are needed to apply a force? Answer: At least two objects are needed to apply a force.

Question 21. Give one example of gravitational force. Answer: An apple falling from the tree to ground.

Question 22. What is meant by atmospheric pressure? Answer: The weight of air acting per unit area is known as atmospheric pressure.

Question 23. What do you mean by magnitude? Answer: The strength of a force is usually expressed by its magnitude.

Question 24. What is muscular force? Answer: The force resulting due to the action of muscles is known as muscular force.

Question 25. What is contact force? Answer: Force that can be applied only when it is in contact with an object is called contact force.

Question 26. What do you mean by the term atmosphere? Answer: The envelop of air all around us is known as atmosphere.

Force and Pressure Class 8 Extra Questions Short Answer Questions

Question 1. Define pressure. Answer: The force acting per unit surface area is called pressure. SI unit of pressure is measured in Newton/ Metre 2 , which is equal to 1 Pascal (Pa).

Question 2. How do fluids exert pressure? Answer: Fluids exert pressure in all directions. Fluids also exert pressure on the walls of the container that hold them.

Question 3. A force of 100 N is applied on an area of 4 m2. Compute pressure being applied on the area. Answer: Given: Force = 100 N, Area = 4 m 2 ∴ Pressure = \(\frac{\text { Force }}{\text { Area }}=\frac{100}{4}\) = 25pa.

Question 4. Which force is responsible for downward movement of a parachutes? Will he come down with the same speed without the parachute? Answer: Force of gravity is responsible for this downward movement. No, without parachute he will come down with a higher speed.

Question 5. Two thermocol balls held close to each other move away from each other. When they are released, name the force which might be responsible for this phenomenon. Explain. Answer: Electrostatic force is responsible for this phenomenon. The two balls have similar charges, that’s why they move away due to repulsion between them.

Question 6. How does an applied force changes the speed of an object? Answer: If the applied force is in the direction of motion, the speed of the object increases. But if the force applied in the direction opposite to the motion, then it decreases the speed of the object.

Question 7. Name the forces acting on the car sticking to an electromagnet in a Junkyard. Which one of them is larger? Answer: Magnetic force (in the upward direction) and force of gravity or the weight of the car (downward). Magnetic force is larger than the force of gravity.

Question 8. What is the similarity between electrostatic and magnetic forces? Answer:

  • Both are non-contact forces.
  • Both are attractive as well as repulsive forces.

Question 9. What are the effects of force on an object? Answer:

  • Force can change the state of motion of an object.
  • Force changes the speed of a moving object.
  • Force can cause an object to turn or change direction.
  • Force can change the shape of an object.

Force and Pressure Class 8 Extra Questions Long Answer Questions

Question 1. What is force? State the difference between contact force and non-contact force. Answer:

Question 2. Define the different types of forces. Answer: Force can act on a body from a distance or by being in contact with it. Depending on this, forces can be classified as contact and non-contact forces.

  • Muscular force: The force resulting due to the action of muscles is known as the muscular force.
  • Frictional force: The force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.
  • Gravitational force: The attractive force of the earth which acts upon all the objects is known as the force of gravity or just gravity.
  • Electrostatic force: The force exerted by a charged body on another charged or uncharged 1 body is known as electrostatic force.
  • Magnetic force: The force exerted between a magnet and other magnet or magnetic material is known as magnetic force.

Question 3. Why it is easier to walk on soft sand if we have flat shoes rather than shoes with sharp heels (or pencil heels)? Answer: A flat shoe has a greater area in contact with the soft sand and exerts less pressure on the soft ground. Due to this the ‘flat’ shoes do not sink much in soft sand and it is easy to walk on it. On the other hand, a sharp heel has a small area in contact with the soft sand and exerts a greater pressure on the sand. Due to this, the sharp heels sink deep into soft sand making it difficult for the wearer to walk on it.

Question 4. What is pressure? What is the relation of pressure with area on which it is applied? Answer: Force exerted on per unit area is called pressure. Pressure is related with area on which it is applied. When the area is increased the pressure exerted is less. But when the area on which pressure is exerted is decrease the pressure increases. So we can conclude that pressure increases with decrease in area. List the characteristics of pressure exerted by a liquid.

  • Liquid exerts pressure in all directions.
  • Pressure in liquid does not depends on shape, size and surface area of the container.
  • Pressure increases with depth.
  • All points at the same level in a liquid are at the same pressure.
  • Pressure does not depend on the surface of the immersed object.

Also Read: NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure

Force and Pressure Class 8 Extra Questions Higher Order Thinking Skills

Question 1. We know that there is a huge amount of atmospheric pressure on us. But we do not experience its effect why? Answer: The pressure of air inside our body is same as that of the atmosphere. Therefore, we do not experience its effect.

Question 2. Why do sea divers wear specially designed suits? Answer: Since the pressure of liquid increases with the increasing depth of sea. Specially designed suits protect scuba divers from the huge pressure of the water underneath.

Question 3. Two persons are applying forces on two opposite sides of a moving cart. The cart still moves with the same speed in the same direction. What do you infer about the magnitudes and direction of the forces applied? Answer: Both the persons are applying forces from opposite direction with equal magnitudes.

Question 4. An archer shoots an arrow in the air horizontally. However, after moving some distance, the arrow falls to the ground. Name the initial force that sets the arrow in motion. Explain why the arrow ultimately falls down. Answer: The initial force is muscular force which sets the arrow in motion. The force of gravity that acts on the arrow in the downward direction brings it to the ground.

Question 5. Two rods: A and B, having same weight and equal length have different thickness. Rod A is thinner while Rod B is thicker. They are held vertically on the surface of sand. Which one of them will sink more? Why? Answer: Rod A will go deeper as it has a smaller area of contact, therefore the same force produces more pres¬sure. In case of rod B the same force produces less pressure.

Question 6. It is difficult to cut cloth using a pair of scissors with blunt blades. Explain. Answer: Blunt blades have larger area compared to the sharp-edged blades. Thus, the applied force produces a lower pressure in case of blunt blades, which makes it difficult to cut the cloth.

Force and Pressure Class 8 Extra Questions Science Chapter 11 1

Force and Pressure Class 8 Extra Questions Value-Based Questions

Question 1. On Lokesh’s birthday Shreya was given charge to amuse children with some little tricks. Shreya sticked balloons to the wall by just rubbing them in her clothes. She bent the water stream from a tap without touching it. She did so by bringing big balloon near to the flowing water. All children were very happy on seeing this little magic. Everybody praised Shreya.

  • How do balloons stick to walls?
  • How Shreya bent the water stream by bringing a big balloon near it and without touching it?
  • What values of Shreya is shown here?
  • On rubbing the balloon with hair or clothes, it acquire negative charges. The negative charges are attracted to the positive charges on the wall and balloon sticks to the wall.
  • Negative charge on the balloon attracts positive charge on water molecules. Thus, bent the water molecules.
  • Shreya is dutiful, friendly with scientific aptitude.

Activities and Projects Question 1. Make a 50 cm × 50 cm bed of dry sand about 10 cm in thickness. Make sure that its top surface is levelled. Take a wooden or a plastic stool. Cut two strips of graph paper each with a width of 1 cm. Paste them vertically on any leg of the stool—one at the bottom and the other from the top. Now gently put the stool on the sand bed with its legs resting on the sand. Increase the size of sand bed if required. Now put a load, say a school bag full of books, on the seat of the stool. Mark the level of sand on the graph strip. This would give you the depth, if any, to which the legs of stool sink in sand. Next, turn the stool upside down so that now it rests on its seat on the sand bed. Note the depth to which the stool sinks now. Next, put the same load on the stool and note the depth to which it sinks in the sand. Compare the pressure exerted by the stool in the two situations. Answer: Pressure exerted by the stool is greatest in first situation.

Force and Pressure Class 8 Extra Questions Science Chapter 11 2

I. Multiple Choice Questions Choose the correct option. Question 1. The pressure which is exerted by air around us is known as (a) force (b) atmospheric pressure (c) muscular force (d) friction

Question 2. Force acting on per unit area is called (a) non-contact forces (b) contact forces (c) force (d) pressure

Question 3. A ___________ exerted by an object on another is a force. (a) Push or pull (b) Contact or non-contact force (c) Pressure (d) Magnitude

Question 4. The force exerted by the earth to pull the object towards itself is called (a) electrostatic force (b) gravitational force (c) muscular force (d) contact force

Question 5. Muscular force is also called ___________ force. (a) non-contact (b) contact (c) gravitational (d) magnetic

Question 6. The force exerted by a charged body on another char (a) gravitational force (b) electrostatic force (c) non-contact force (d) contact force

Question 7. Force changes the (a) motion of body (b) speed of body (c) shape of body (d) all of these

Question 8. The force exerted by our muscle is called (a) electrostatic force (b) muscular force (c) gravitational force (d) non-contact force

Question 9. 1 kilogram weight is equal to (a) 98 N (b) 9.8 N (c) 0.98 N (d) 0.098 N

Question 10. A spring balance is used for measuring (a) mass (b) weight (c) pressure (d) speed

Question 11. Two boys A and B are applying force on a block. If the block moves towards the boy A, which one of the following statements is correct? (a) Magnitude of force applied by A is greater than that of B. (b) Magnitude of force applied by A is smaller than that of B. (c) Net force on the block is towards B. (d) Magnitude of force applied by A is equal to that of B.

Question 12. When two forces act in opposite directions, then net force acting is the (a) sum of two forces (b) difference between two forces (c) both of these (d) none of these

Question 13. The strength of force is expressed by its (a) weight (b) mass (c) magnitude (d) longitudinal force

Question 14. Leaves fall down on the ground due to (a) electrostatic force (b) magnetic force (c) gravitational force (d) muscular force

Question 15. State of motion is described by (a) Position of rest (b) Position of motion (c) Both by the state of rest or motion (d) None of these

Question 16. When the hammer strikes the gong of an electric bell, which of the following force is responsible for the movement of hammer? (a) Gravitational force alone (b) Magnetic force alone (c) Electrostatic force alone (d) Frictional force alone

Question 17. During dry weather, while combing hair, sometimes we experience hair flying apart. The force respon¬sible for this is (a) force of gravity (b) force of friction (c) electrostatic force (d) magnetic force

Force and Pressure

Question 19. Two objects repel each other. This repulsion could be due to (a) frictional force only (b) electrostatic force only (c) magnetic force only (d) either a magnetic or an electrostatic force

Question 20. Which one of the following forces is a contact force? (a) Force of gravity (b) Magnetic force (c) Force of friction (d) Electrostatic force

Questions Science Chapter 11 5

III. Fill in the Blanks Fill in the blanks with suitable word/s. 1. We ___________ the bucket to take out water from well. 2. The strength of a force is usually expressed by its ___________. 3. ___________ force is the force resulting due to the action of muscles. 4. The envelop of air all around us is called ___________. 5. To open a door we or ___________ the door. 6. Force of friction is an example of ___________ force. 7. Force ___________ is called pressure. 8. Force has ___________ as well as direction. 9. Fruits fall ___________ due to the force of gravity. 10. The body at rest is called ___________ body. 11. ___________ and ___________ forces are the two kinds of forces. 12. Force exerted by magnet is called ___________ force. 13. We apply force on ___________ while walking. 14. Force is ___________ to pressure. 15. The ___________ is measured by an instrument called barometer. Answer: 1. pull 2. magnitude 3. Muscular 4. atmosphere 5. push, pull 6. contact 7. per unit area 8. magnitude 9. downward 10. stationary 11. Contact, non-contact 12. magnetic 13. ground 14. directly proportional 15. atmospheric pressure

Force and Pressure Class

IV. True or False State whether the given statements are true or false. 1. Force applied on an object in opposite directions add to one another. 2. Pressure does not depend on area of contact. 3. A force can change the state of motion of an object. 4. Force cannot change the speed of an object. 5. Atmospheric pressure is less at higher altitudes. 6. Force of gravity is a contact force. 7. Muscular force is also known as contact force. 8. Pascal is the unit of force. 9. To move an object faster it has to be pushed or pulled repeatedly. 10. Magnitude is the strength of force. 11. Force can change the shape of an object. 12. At least two objects must interact for a force to come into play. 13. Magnetic force is a non-contact force. 14. An apple from a tree falls on the ground due to the force of gravity. 15. Newton is the unit of force. Answer: 1. False 2. False 3. True 4. False 5. True 6. False 7. True 8. False 9. True 10. True 11. True 12. True 13. True 14. True 15. True

Related content

Call Infinity Learn

Talk to our academic expert!

Language --- English Hindi Marathi Tamil Telugu Malayalam

Get access to free Mock Test and Master Class

Register to Get Free Mock Test and Study Material

Offer Ends in 5:00

A to Z Classes

Cbse, ncert and icse solution online, class 8 science case study question, case study question class 8 science (cbse / ncert board).

Class 8 Science Case Study Question and Answer: CBSE / NCERT Board Class 8 Science Case Study Question prepared by expert Science Teacher. Students can learn Case Based Question / Paragraph Type Question for NCERT Class 8 Science.

There are total 18 chapter Crop Production and Management, Microorganisms: Friend and Foe

, Synthetic Fibres and Plastics, Materials: Metals and Non-Metals, Coal and Petroleum, Combustion and Flame, Conservation of Plants and Animals, Cell – Structure and Functions, Reproduction in Animals, Reaching the Age of Adolescence, Force and Pressure, Friction, Sound, Chemical Effects of Electric Current, Some Natural Phenomena, Light, Stars and the Solar System, Pollution of Air and Water

For any problem during learning any Case or any doubts please comment us. We are always ready to help You.

CBSE Class 8 Science Case Study Question

  • Chapter 1 Crop Production and Management Case Study Question
  • Chapter 2 Microorganisms: Friend and Foe Case Study Question
  • Chapter 3 Synthetic Fibres and Plastics Case Study Question
  • Chapter 4 Materials: Metals and Non-Metals Case Study Question
  • Chapter 5 Coal and Petroleum Case Study Question
  • Chapter 6 Combustion and Flame Case Study Question
  • Chapter 7 Conservation of Plants and Animals Case Study Question
  • Chapter 8 Cell – Structure and Functions Case Study Question
  • Chapter 9 Reproduction in Animals Case Study Question
  • Chapter 10 Reaching the Age of Adolescence Case Study Question
  • Chapter 11 Force and Pressure Case Study Question
  • Chapter 12 Friction Case Study Question
  • Chapter 13 Sound Case Study Question
  • Chapter 14 Chemical Effects of Electric Current Case Study Question
  • Chapter 15 Some Natural Phenomena Case Study Question
  • Chapter 16 Light Case Study Question
  • Chapter 17 Stars and the Solar System Case Study Question
  • Chapter 18 Pollution of Air and Water Case Study Question

What is Case Study Question?

Ans. At case Study there will one paragraph and on the basis of that concept some question will made. Students have to solve that question.

How many marks will have at case based question?

Most of time 5 questions will made from each case. There will 1 or 2 marks for each question.

Important links:

Copyright © 2024 | WordPress Theme by MH Themes

  • NCERT Exemplar
  • NCERT 8 Science Exemplar
  • Chapter 11: Force And Pressure

NCERT Exemplar Class 8 Science Solutions for Chapter 11 - Force and Pressure

Ncert exemplar solutions class 8 science chapter 11 – free pdf download.

The NCERT Exemplar for Class 8 Science Chapter 11 Force and Pressure explains the topics mentioned in CBSE Class 8 Chapter 11. By studying this Exemplar thoroughly, students are able to strengthen their exam preparation. This will help them determine their strengths and weaknesses. NCERT Exemplar Problems provided here are not meant to provide you only with a question bank for examinations, but are primarily meant to enhance your learning process. Practising Exemplar will help you solve different kinds of questions and numericals, which are important from the examination point of view.

Force and Pressure is one of the most important chapters of CBSE Class 8 Science . In this chapter, students will learn about the basic concepts of force and pressure. To understand the concepts of force and pressure and to score good marks in the exam, students must understand the basics of the chapter and solve the important questions. To help students, we have provided the NCERT Exemplar for Class 8 Science  Chapter 11 Force and Pressure.

Download the PDF of the NCERT Exemplar Class 8 Science Solutions for Chapter 11 – Force and Pressure

NCERT Exemplar solution class 8 Science Chapter 11 part 01

Access Answers to the NCERT Exemplar Class 8 Science Chapter 11 – Force and Pressure

Multiple choice questions.

1. In Fig 11.1, two boys A and B are shown applying force on a block. If the block moves towards the right, which one of the following statements is correct?

(a) The magnitude of force applied by A is greater than that of B.

(b) The magnitude of force applied by A is smaller than that of B.

(c) The net force on the block is towards A.

(d) The magnitude of force applied by A is equal to that of B.

NCERT Exemplar Class 8 Science chapter 11 Solutions fig 1

Answer is (a) Magnitude of force applied by A is greater than that of B.

Explanation:

The magnitude of force applied by A is bigger than that of B as a result of the block moves towards right i.e. towards B.

2. In the circuit shown in Fig.11.2, when the circuit is completed, the hammer strikes the gong. Which of the following force is responsible for the movement of the hammer?

(a) gravitational force alone

(b) electrostatic force alone

(c) magnetic force alone

(d) frictional force alone

NCERT Exemplar Class 8 Science chapter 11 Solutions fig 2

Answer is (c) magnetic force alone

As electric current flows through the coil it behaves like an electromagnet which creates magnetic force. Hence the answer is magnetic force alone.

3. During dry weather, while combing hair, sometimes we experience hair flying apart. The force responsible for this is

(a) force of gravity.

(b) electrostatic force.

(c) the force of friction.

(d) magnetic force.

The answer is (b) electrostatic force.

On combing the hair, comb and hair get oppositely charged due to electrostatic force.

4. Fig.11.3 shows a container filled with water. Which of the following statements is correct about the pressure of water?

NCERT Exemplar Class 8 Science chapter 11 Solutions fig 3

(a) The pressure at A > Pressure at B > Pressure at C.

(b) The pressure at A = Pressure at B = Pressure at C.

(c) The pressure at A <  Pressure at B > Pressure at C.

(d) The pressure at A <  Pressure at B.

The answer is (d) Pressure at A < Pressure at B

Increase in water leads to an increase in depth.

5. Two objects repel each other. This repulsion could be due to

(a) frictional force only

(b) electrostatic force only

(c) magnetic force only

(d) either a magnetic or an electrostatic force

The answer is (d) either a magnetic or an electrostatic force

Explanation:  when two objects are experiencing repulsive force because there may be an electrostatic force or a magnetic force.

6. Which one of the following forces is a contact force?

(a) force of gravity

(b) force of friction

(c) magnetic force

(d) electrostatic force

The answer is (b) force of friction

Force of attraction acts only when the bodies are in contact.

7. A water tank has four taps fixed at points A, B, C, D as shown in Fig. 11.4. The water will flow out at the same pressure from taps at

(a) B and C

(b) A and B

(c) C and D

(d) A and C

NCERT Exemplar Class 8 Science chapter 11 Solutions fig 4

Answer is (a) B and C

B and C are at the same level, hence pressure will be the same at B and C.

8. A brick is kept in three different ways on a table as shown in Fig. 11.5. The pressure exerted by the brick on the table will be

(a) maximum in position A-C

(b) maximum in position B

(c) maximum in position

(d) equal in all cases.

Answer is (a) maximum in position A-C

Since the area of contact is minimum pressure will be maximum in A.

Very Short Answer Questions

9. A ball of dough is rolled into a flat chapatti. Name the force exerted to change the shape of the dough.

Muscular Force.

10. Where do we apply a force while walking?

While walking we apply force on the ground.

11. A girl is pushing a box towards the east direction. In which direction should her friend push the box so that it moves faster in the same direction?

Towards the east.

12., In the circuit shown in Fig.11.6, when the key is closed, the compass needle placed in the matchbox deflects. Name the force which causes this deflection.

NCERT Exemplar Class 8 Science chapter 11 Solutions fig 5

Answer is Magnetic force.

13. During dry weather, clothes made of synthetic fibre often stick to the skin. Which type of force is responsible for this phenomenon?

Answer is Electrostatic force

14. While sieving grains, small pieces fall down. Which force pulls them down?

Force of gravity.

15. Does the force of gravity act on dust particles?

Yes, the force of gravity act on dust particles.

16. A gas-filled balloon moves up. Is the upward force acting on it larger or smaller than the force of gravity?

The upward force is larger than the force of gravity.

17. Does the force of gravitation exist between two astronauts in space?

Yes, the force of gravitation exists between two astronauts in space.

Short Answer Questions

18. A chapati maker is a machine which converts balls of dough into chapati. What effect of force comes into play in this process?

Force works on the dough to convert it to chapati.

19. Fig.11.7 shows a man with a parachute. Name the force which is responsible for his downward motion. Will he come down with the same speed without the parachute?

NCERT Exemplar Class 8 Science chapter 11 Solutions fig 6

Force of gravity is responsible for his downward motion. If he comes down without parachute his speed will be higher.

20. Two persons are applying forces on two opposite sides of a moving cart. The cart still moves with the same speed in the same direction. What do you infer about the magnitudes and direction of the forces applied?

Force applied is of equal magnitude in the opposite direction hence the cart moves with the same speed in the same direction.

21. Two thermocol balls held close to each other move away from each other. When they are released, name the force which might be responsible for this phenomenon. Explain.

Two Thermocol balls held close to each other move away from each other, which is because of electrostatic force. The balls having similar charges move away due to repulsion between similar charges.

22. Fruits detached from a tree fall down due to force of gravity. We know that a force arises due to the interaction between two objects. Name the objects interacting in this case.

Earth and fruits.

23. A man is pushing a cart down a slope. Suddenly the cart starts moving faster and he wants to slow it down. What should he do?

He should apply a force to pull the cart up the slope.

24. Fig. 11.8 shows a car sticking to an electromagnet. Name the forces acting on the car? Which one of them is larger?

NCERT Exemplar Class 8 Science chapter 11 Solutions fig 7

Magnetic force (in the upward direction) force of gravity or the weight of the car (downward) act on car. Magnetic force is larger than the force of gravity.

Long Answer Questions

25. An archer shoots an arrow in the air horizontally. However, after moving some distance, the arrow falls to the ground. Name the initial force that sets the arrow in motion. Explain why the arrow ultimately falls down.

Archer puts muscular force to stretch the string. This will change the shape of the arrow. When the string is released arrow regains its original position which gives it the initial force to set the motion. Because of gravitational from it comes down towards after some time.

26. It is difficult to cut cloth using a pair of scissors with blunt blades. Explain.

The blunt blade has a larger area than shard edged blades. Because of this, blunt blade produces a low pressure which makes it difficult to cut the cloth. Whereas in sharp blade surface area is much is very less which increase the pressure produced. This makes the cutting of cloth easier with sharp blades.

27. Two rods of the same weight and equal length have different thickness. They are held vertically on the surface of sand as shown in Fig.11.9. Which one of them will sink move? Why?

NCERT Exemplar Class 8 Science chapter 11 Solutions fig 8

In Rod B area of contact is smaller. Hence the weight of the rod (Force) produces more pressure. In Case of the rod, the same force produces less pressure.

28. Two women are of the same weight. One wears sandals with pointed heels while the other wears sandals with flat soles. Which one would feel more comfortable while walking on a sandy beach? Give reasons for your answer.

Women’s height are same and they apply the same weight when they walk. But women wearing sandal with a flat heel will be more comfortable while walking on a sandy beach. This is because flat soles

have larger area compared to the sandals with pointed heels. Also, the pressure exerted by the

pointed heels will be more compared to that with sandals having flat soles. This pressure will make the sandals with pointed soled sink in the sand which will make difficult to walk on sand.

29. It is much easier to burst an inflated balloon with a needle than by a finger. Explain.

The pressure exerted on an inflated balloon by the needle will be more as it has a smaller area of contact compared to the finger. This larger pressure pierces the surface of the balloon easily which will make the balloon burst.

30. Observe the vessels A, B, C and D shown in Fig.11.10 carefully.

NCERT Exemplar Class 8 Science chapter 11 Solutions fig 9

The volume of water taken in each vessel is as shown. Arrange them in the order of decreasing pressure at the base of each vessel. Explain.

B, D, A, C. Because the pressure of a liquid column depends upon the height of the liquid column and not on volume of the liquid.

Sub-topics of the CBSE syllabus Class 8 Science Chapter 11 Force and Pressure

  • Force – A Push or Pull
  • Forces Are Due to an Interaction
  • Exploring Forces
  • A Force Can Change the State of Motion
  • Force Can Change the Shape of an Object
  • Contact Forces
  • Non-contact Forces
  • Pressure Exerted by Liquids and Gases
  • Atmospheric Pressure

BYJU’S presents outstanding NCERT Solutions , study materials, s ample papers , previous years’ question papers and video and animation lessons for a thorough understanding and to memorise topics for a longer period. To get access to all study materials we provide, log on to BYJU’S website or download BYJU’S – The Learning App.

Frequently Asked Questions on NCERT Exemplar Solutions for Class 8 Science Chapter 11

What are the topics covered under chapter 11 of ncert exemplar solutions for class 8 science, what are non-contact forces in chapter 11 of ncert exemplar solutions for class 8 science, can students rely on ncert exemplar solutions for class 8 science chapter 11 from byju’s, leave a comment cancel reply.

Your Mobile number and Email id will not be published. Required fields are marked *

Request OTP on Voice Call

Post My Comment

case study of force and pressure class 8

  • Share Share

Register with BYJU'S & Download Free PDFs

Register with byju's & watch live videos.

close

IMAGES

  1. Force & Pressure Part-01 (Class-8)

    case study of force and pressure class 8

  2. Force and Pressure Std 8th Science Chapter 3 Part 6 (Class 8th lesson 3

    case study of force and pressure class 8

  3. Force and Pressure Class 8

    case study of force and pressure class 8

  4. Class 8

    case study of force and pressure class 8

  5. Mind Map Of Force And Pressure Class 8

    case study of force and pressure class 8

  6. Force and Pressure Class 8 Science Chapter 11 Part 1 Explanation, Question Answers

    case study of force and pressure class 8

VIDEO

  1. Force and Pressure

  2. Force and Pressure

  3. Force and Pressure in One Shot

  4. Top 10 Important Questions from Force & Pressure Class 8 Science

  5. NCERT Science Class 8 Chapter 8 Force and Pressure

  6. Force And Pressure, Friction Class 8 Science Chapter 11 & 12 Revision

COMMENTS

  1. Case Study Questions for Class 8 Science Chapter 11 Force and Pressure

    Answer the questions given below: a) What is atmospheric pressure? b) We know that there is a huge amount of atmospheric pressure on us. But we do not experience its effect. Why? c) Why do some people feel their ears "popping" at the top of the mountain? Answers a) The pressure exerted by the air around us is known as atmospheric pressure.

  2. Force and Pressure Chapter 11 Class 8 Notes

    Introduction In science, a push or pull of an object is known as force. The interaction between two objects arises force. Force has both magnitude and direction. The strength of a force is expressed in magnitude. Force brings about a change in the direction or state of motion of a body.

  3. Force and Pressure Class 8 Science Extra Questions and Answers

    Answer: Pushing a chair Question 3: Give one example where force stops a moving object. Answer: A fielder stopping a ball Question 4: What is force? Answer: A push or a pull on an object is called a force. Question 5: Does liquid exert pressure in all directions? Answer: Yes, Liquid exerts pressure in all directions.

  4. Force And Pressure Class 8 Notes

    Answer Examples of pushing: (i) Player pushing a football using his foot. (ii) Pushing an open drawer to close it. Examples of pulling: (i) pulling a toy car with thread to move (ii) Opening a drawer of a table. What causes the force to arise?

  5. CBSE Class 8 Science Chapter 11 Important Questions: Force and Pressure

    Important Topics Covered in Class 8 Science Solutions. Here are some important topics and subtopics of Chapter 11 - Force and Pressure that students must go through to study meticulously to excel in the subject. Our NCERT Solutions are prepared to keep in mind these important topics. Force - A Push or a Pull. Forces are due to an Interaction.

  6. NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure

    1. Pull situations a) In order to open a drawer, we have to pull it. This action changes the state of motion of the drawer. b) To draw water from the well, the rope is pulled. This action changes the state of motion of the bucket. 2. Push Situations a) A football is pushed by the foot of a player.

  7. NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure

    Force and Pressure Class 8 Science NCERT Textbook Questions. Question 1. Give two examples each of the situations in which you push or pull to change the state of motion of objects. Answer: (i) Push: We close drawer by pushing. We move a wooden box by pushing. (ii) Pull: We draw water from a well by pulling the rope.

  8. CBSE Class 8 Science Chapter 11

    Force and pressure class 8 notes pdf is available here. The chapter further moves on to explore forces and the different types. In addition, it also teaches how a force is able to change the state of motion. The chapter also elucidates how force can change the shape of an object. It gives real-life examples to help students understand better ...

  9. NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure

    The questions explained in the NCERT solutions for class 8 science chapter 11 force and pressure are based on the following points. Force is either a push or a pull on an object resulting from interaction with another object. The direction of motion of an object can be changed by applying force. Force can alter the shape of an object.

  10. Force and pressure

    UP Class 8th Science 17 units · 55 skills. Unit 1 Latest advancements in science and technology. Unit 2 Man made objects. Unit 3 Structure of atom. Unit 4 Minerals and metals. Unit 5 General introduction and classification of micro-organisms. Unit 6 From cells to organs. Unit 7 Reproduction in animals. Unit 8 Adolescence.

  11. NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure

    Chapter 11 Force and Pressure NCERT Solutions for Class 8 Science - Notes. • A push or a pull on an object is called a force. Force has magnitude as well as direction. • The sum of forces acting on bodies is called net force. • Forces applied on an object in the same direction add to one another.

  12. Force and Pressure Class 8 Notes, Question Answers, Explanation

    Change in speed If someone pushes your bicycle, it starts moving faster. In this case, the force that we apply on the bicycle changes the speed of the bicycle. Speed can be increased or decreased also. Note: Force comes into play when at least two bodies interact. Or we can say that two bodies are necessary to put force comes into play.

  13. Chapter 8: Force and Pressure

    Chapter 1 Crop Production and Management Chapter 2 Microorganisms : Friend and Foe Chapter 3 Coal and Petroleum Chapter 4 Chapter 5 Conservation of Plants and Animals Chapter 6 Reproduction in Animals Chapter 7 Reaching the Age of Adolescence Chapter 8 Force and Pressure Chapter 8 Force and Pressure Class 8 - NCERT Science Solutions Exercises

  14. NCERT Solutions for Chapter 11 Force and Pressure Class 8 Science

    Free access to Study material, Videos and Ebooks on our android app Download now. ... Force and Pressure. Class 8 > Science > NCERT > Force and Pressure. NCERT Solutions for Chapter 11 Force and Pressure Class 8 Science Book Solutions. 1. Give two examples each of situations in which you push or pull to change the state of motion of objects ...

  15. Force and Pressure Class 8 Extra Questions Science Chapter 11

    Force and Pressure Class 8 Extra Questions Science Chapter 11 Force and Pressure Class 8 Extra Questions Very Short Answer Questions Question 1. What is the name of the instrument used to measure atmospheric pressure? Answer: Barometer Question 2. Give two examples of contact force. Answer: Muscular force Force of friction Question 3.

  16. Important Questions Class 8 Science Chapter 11

    Important Questions Class 8 Science Chapter 11 - Force and Pressure. Science is a very important subject taught in school. It helps us solve all real-life problems with logic and clarity. In this chapter, students will study force and pressure. In physics, the force can be defined as an influence that changes an object's motion.

  17. NCERT Solutions and Notes for Class 8 Science Chapter 8: Force and Pressure

    11 minute read 10 shares To understand a chapter well, organised notes are of great importance. They not only help you go through the chapter thoroughly but also serve as a mode of quick revision of the same. And especially during the exam season, students understand the value of notes.

  18. Class 8 Force and Pressure

    The game is a simple case of push and pull force applied by the opposing teams. Are you studying Class 8 Science chapter on Force and Pressure? Read this blog to find the essential concepts covered in Class 8 Force and Pressure as well as notes and solutions. Check Out: Class 8 Science Projects

  19. Important Questions for Class 8 Science Chapter 11

    Class 8 Science important questions for Chapter 11 - Force and Pressure talks about force, contact force, electrostatic force, friction, gravitational force, pressure, etc. Here we have provided important questions for Class 8 Science Chapter 11 for students so that they don't waste time making notes of important questions. These important ...

  20. Force and Pressure Class 8 Extra Questions Science Chapter 11

    Force and Pressure Class 8 Extra Questions Short Answer Questions. Question 1. Define pressure. Answer: The force acting per unit surface area is called pressure. SI unit of pressure is measured in Newton/ Metre 2, which is equal to 1 Pascal (Pa). Question 2.

  21. Force and Pressure Class 8 Extra Questions and Answers Science Chapter 11

    Force and Pressure Class 8 Extra Questions Short Answer Type. Question 1. Define pressure. Answer: The force acting per unit surface area is called pressure. SI unit of pressure is measured in Newton/ Metre2, which is equal to 1 Pascal (Pa). Question 2.

  22. Class 8 Science Case Study Question

    Chapter 6 Combustion and Flame Case Study Question. Chapter 7 Conservation of Plants and Animals Case Study Question. Chapter 8 Cell - Structure and Functions Case Study Question. Chapter 9 Reproduction in Animals Case Study Question. Chapter 10 Reaching the Age of Adolescence Case Study Question. Chapter 11 Force and Pressure Case Study ...

  23. NCERT Exemplar Class 8 Science Solutions Chapter 11

    1. In Fig 11.1, two boys A and B are shown applying force on a block. If the block moves towards the right, which one of the following statements is correct? (a) The magnitude of force applied by A is greater than that of B. (b) The magnitude of force applied by A is smaller than that of B. (c) The net force on the block is towards A.