Force and Pressure MCQ Questions and Answers for Practice

1. With the increase in the weight of an object the pressure

1. decreases
2. remains unchanged
3. none of these
4. increases

2. Wheel is made circular, because

1. it increases friction
2. to make them attractive
3. none of these
4. it minimises friction

3. Tyres are provided with deep grooves on their surface to

1. increase the friction
2. decrease the friction
3. make them attractive
4. reduce the cost of material used

4. To increase pressure

1. area of contact is decreased
2. magnitude of thrust is decreased
3. none of these
4. area of contact is increased

5. The unit of pressure is

1. newton
2. pascal
3. none of these
4. joule

6. The SI unit of force is

1. kg/m²
2. newton
3. pascal
4. joule

7. The magnetic force is a

1. force at distance
2. consequential force
3. none of these
4. contact force

8. The force which an object exerts on any other object is

1. magnetic force
2. electrostatic force
3. frictional force
4. gravitational force

9. The force of friction

1. decreases with the weight of body
2. is not affected by the weight of body
3. none of these
4. increases with the weight of body

10. The deep grooves in the tyre of a tractor

1. increase friction
2. make it stable
3. make tyre more attractive
4. decrease friction

11. Rockets have a special streamlined body in order to

1. reduce friction
2. make them attractive
3. none of these
4. increase friction

12. One pascal is the pressure generated by

1. force of 1 kgf on 1 m²
2. force of 1 N on 1000 cm²
3. force of 1 N on 1 cm²
4. force of 1 N on 1 m²

13. Magnetic force causes

1. repulsion only
2. both attraction and repulsion
3. none of these
4. attraction only

14. If area of contact is increased, then

1. pressure decreases
2. pressure remains constant
3. none of these
4. pressure increases

15. Gravitational force is a

1. consequential force
2. action-at-a-distance force
3. none of these
4. contact force