1. A person standing in a lift feels heavier when the lift
2. When a horse pulls a cart, the action force is exerted by the horse on the cart. The reaction force acts on
3. A body of mass 4 kg is acted upon by a force of 20 N. The acceleration produced is
4. Which of the following is an example of inertia of motion?
5. The force required to stop a moving object depends on
6. If two forces act in opposite directions on a body and are equal, the body will
7. A ball thrown horizontally moves forward due to
8. Which of the following situations involves action and reaction on the same body?
9. A man pushes a wall but it does not move. This is because
10. The mass of an object is a measure of
11. When a bus takes a sharp turn, passengers are pushed outward due to
12. A constant force acting on a body produces
13. The SI unit of impulse is
14. A heavier object requires more force to move because it has
15. Which law explains why a person steps backward when catching a fast ball?
16. When force increases, acceleration
17. A moving object stops due to
18. Which of the following has the least inertia?
19. The motion of a body is unchanged when
20. A body continues to move with uniform velocity when
