Force and Pressure Class 8 Quiz | Practice 100 MCQs (Free Online Test)

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

2. Which of the following is a contact force?

3. A force can change the:

4. The force exerted by a stretched rubber band is an example of:

5. Which force is responsible for objects falling towards the Earth?

6. A magnet attracting iron pins without touching them is an example of:

7. Friction between two surfaces acts:

8. Which of the following is a non-contact force?

9. The SI unit of force is:

10. When you kick a football, the force applied is an example of:

1. Pressure is defined as:

2. The SI unit of pressure is:

3. A sharp knife cuts vegetables more easily than a blunt knife because:

4. Camels can walk easily on sand because:

5. The force exerted by a liquid on the walls of its container is called:

6. Pressure exerted by a liquid at a point depends on:

7. Atmospheric pressure at sea level is approximately:

8. As altitude increases, atmospheric pressure:

9. A drinking straw works on the principle that:

10. Gases exert pressure on the walls of their container:

1. A force applied on a rubber ball changes its shape. This shows that force can:

2. Which of the following pairs correctly matches a force with its type?

3. Which force acts between objects due to their electric charge?

4. Rubbing a balloon on hair and then sticking it to a wall demonstrates:

5. The force that opposes relative motion between two surfaces in contact is called:

6. An archer stretching a bowstring applies force using:

7. Which of these is an effect of force?

8. Two forces acting on an object in the same direction result in a net force that is:

9. An object remains stationary when two equal and opposite forces act on it because:

10. The force with which the Earth attracts objects towards itself is known as:

1. Thrust is defined as:

2. For the same force, if the area decreases, the pressure exerted:

3. Wide straps are used in school bags instead of thin strings because:

4. A nail has a pointed tip so that it can:

5. Which of the following exerts pressure on its surroundings?

6. The pressure exerted by a liquid increases with:

7. A tall dam is built with thicker walls at the bottom because:

8. Which instrument is used to measure atmospheric pressure?

9. A rubber sucker sticks to a smooth surface because:

10. At high altitudes, such as on a mountain, people may face breathing difficulty because:

1. A force of 50 N acts on a surface of area 2 m². The pressure exerted is:

2. Two boxes of equal weight rest on the ground. Box A has a base area of 0.5 m² and Box B has a base area of 1 m². Which statement is correct?

3. A deep-sea diver wears a special reinforced suit mainly because:

4. A wide-tyred tractor is used on soft, muddy farmland instead of a narrow-tyred vehicle because the wide tyres:

5. A syringe draws liquid into its barrel when the piston is pulled back because:

6. If the area on which a constant force acts is doubled, the pressure exerted becomes:

7. Mercury is used in barometers instead of water mainly because:

8. A block is pushed with two forces: 15 N to the right and 9 N to the left. The block will:

9. A vacuum cleaner picks up dust because:

10. A nail is pressed into wood with a force of 40 N through a tip of area 0.001 m², while a flat-headed pin of the same force acts over an area of 0.01 m². Which statement is correct?