Newton’s laws of motion and impulse - Question Bank
1. Impulse is the effect of a force acting over a period of:
2. A body of mass 2 kg is moving with a velocity of 10 m/s. If a force of 5 N is applied opposite to the direction of motion for 2 seconds, the final velocity will be:
3. Which law states that an object will continue in its state of rest or uniform motion unless acted upon by an external force?
4. If a constant force F acts on a body of mass m for time Δt, the change in momentum is given by:
5. The impulse experienced by a body is equal to the change in its:
6. A rocket works on the principle of:
7. Newton's Second Law can be expressed as the relationship between force and the rate of change of:
8. If the mass of an object is halved and its velocity is doubled, its momentum will be:
9. A particle of mass m is acted upon by a force F. Its momentum changes from p1 to p2. The impulse is:
10. Which principle states that in the absence of an external force, the total momentum of a system remains constant?
11. If the net force on an object is zero, its acceleration is:
12. An object's resistance to a change in its state of motion is called:
13. What is the unit of momentum?
14. If a force of 20 N acts on a mass of 4 kg for 3 seconds, what is the change in momentum?
15. A hammer strikes a nail. The force exerted by the hammer on the nail is equal and opposite to:
16. The impulse-momentum theorem is essentially a restatement of:
17. A tug-of-war contest where both teams pull with equal force but one team moves the other is an illustration of:
18. According to Newton's Second Law, if mass is kept constant, force is directly proportional to:
19. What is the impulse if a force of 50 N acts on an object for 0.5 seconds?
20. If a force causes an object to change its velocity, then the object must have experienced:
21. A quantity that measures the 'quantity of motion' in a body is:
22. Which law states that the inertia of an object depends on its mass?
23. If a force of 10 N acts on a mass of 5 kg for 2 seconds, the impulse delivered is:
24. A bullet is fired from a gun. The gun recoils backward because of:
25. The momentum of a body is the product of its mass and:
26. If a force F is applied to an object of mass m, the acceleration produced is a. If the same force is applied to an object of mass 2m, the acceleration will be:
27. The unit of impulse can also be expressed as:
28. Which of the following is an example of Newton's Third Law in action?
29. Inertia is a measure of:
30. If the velocity of an object doubles, its momentum:
31. A car of mass 1000 kg is traveling at 20 m/s. If it stops in 10 seconds, what is the impulse experienced by the car?
32. Consider a system of two particles colliding. If there are no external forces, the total momentum of the system:
33. In which scenario is the impulse experienced by an object the greatest?
34. The impulse is a vector quantity. Its direction is the same as the direction of:
35. A body is pushed with a constant force. Which of the following quantities is constant if the mass is also constant?
36. If the net external force on a system is zero, then:
37. A cannon fires a projectile. According to Newton's Third Law, the cannon will experience:
38. When a cricket player catches a fast-moving ball, they often move their hands backward. This action:
39. A large force acting for a short time produces the same effect as:
40. The impulse-momentum theorem states that:
41. A body of mass 'm' moving with velocity 'v' has momentum 'p'. If the velocity changes to 'v'', the change in momentum is:
42. If a net force F acts on an object of mass m for a time interval Δt, the impulse delivered to the object is:
43. The product of force and the time interval over which it acts is equal to:
44. Impulse is defined as the change in:
45. What is the SI unit of force?
46. The rate of change of momentum of a body is directly proportional to the applied force and takes place in the direction of the force. This is Newton's:
47. An object at rest will remain at rest, and an object in motion will remain in motion with a constant velocity, unless acted upon by a net external force. This is Newton's:
48. For every action, there is an equal and opposite reaction. This statement is a description of:
49. Newton's Second Law of Motion relates force, mass, and acceleration by the formula:
50. Which of Newton's laws of motion describes inertia?