Newton’s Laws of Motion and Applications - Question Bank
1. What is the SI unit of acceleration?
2. An object's tendency to resist changes in its state of motion is called:
3. If the net force on an object is doubled, its acceleration is:
4. A hammer strikes a nail. The hammer exerts a force on the nail, and the nail exerts an equal and opposite force on the hammer. This is an example of:
5. What is the product of mass and velocity called?
6. An object at rest will remain at rest, and an object in motion will continue in motion with constant velocity, unless acted upon by a net external force. This statement is:
7. If the mass of an object is 10 kg and its velocity changes from 5 m/s to 15 m/s in 2 seconds, what is the average force acting on it?
8. When you walk, you push the ground backward. The ground pushes you forward, enabling you to move. This exemplifies:
9. What is the unit of momentum?
10. If an object is moving with constant velocity, its acceleration is:
11. A rocket works on the principle of:
12. What is the force required to accelerate a 100 kg object at 5 m/s²?
13. Consider two objects, A and B, where mass of A is greater than mass of B. If the same force is applied to both, which object will experience greater acceleration?
14. A boat moves forward in water. The boat pushes water backward. This is an application of:
15. What quantity is conserved in collisions when no external forces are present?
16. If two forces of equal magnitude but opposite directions act on an object, what is the net force?
17. A person sitting in a car experiences a forward jerk when the car starts moving. This is an example of:
18. What is the SI unit of mass?
19. When a force is applied to an object, it causes a change in its state of motion. This change is described by:
20. Which of the following situations best illustrates the effect of unbalanced forces?
21. If a 10 kg object has a momentum of 50 kg m/s, what is its velocity?
22. A sprinter accelerates from rest. Which of Newton's laws is primarily demonstrated when the sprinter pushes backward on the track to move forward?
23. What is the impulse experienced by an object if a force of 50 N acts on it for 0.1 seconds?
24. A car is moving at a constant speed in a straight line. What can be said about the net force acting on the car?
25. When a bird flies, it pushes air downwards. The air, in turn, pushes the bird upwards. This is an example of:
26. What is the magnitude of the force exerted by the Earth on a 1 kg object at its surface (approximately)?
27. Two objects of equal mass are pushed with forces F1 and F2, respectively. If F1 > F2, which object will have a greater acceleration?
28. A spacecraft in outer space, far from any gravitational sources, continues to move at a constant velocity even when its engines are off. This is due to:
29. What is the term for the rate of change of momentum of an object?
30. Which law explains why it is harder to push a heavy box than a light box across a floor?
31. If the mass of an object is doubled while the applied force remains constant, what happens to its acceleration according to Newton's Second Law?
32. A cannon fires a ball. The cannon recoils backward as the ball moves forward. This is a demonstration of:
33. What happens to the momentum of a system if no external forces act on it?
34. A balanced force is applied to an object. What is the resulting acceleration?
35. If a force of 20 N is applied to a 4 kg object, what is its acceleration?
36. When you jump upwards, you push down on the Earth. The Earth pushes back up on you with an equal and opposite force, allowing you to jump. This is an application of:
37. What is the change in momentum of an object when a constant force acts on it for a specific time interval?
38. Which of the following scenarios best demonstrates the concept of inertia?
39. According to Newton's Second Law, if the mass of an object is kept constant, its acceleration is directly proportional to the applied force. What happens to acceleration if the force is doubled?
40. What is the momentum of a 5 kg object moving at a velocity of 10 m/s?
41. A person is standing on a skateboard and pushes off a wall. The wall exerts a force on the person and skateboard, causing them to move away from the wall. This is an example of:
42. If the net force acting on an object is zero, what can be said about its acceleration?
43. What is the unit of force in the SI system?
44. When a bus suddenly stops, passengers tend to move forward. This is an illustration of:
45. If you push a box with a force of 10 N and it moves with an acceleration of 2 m/s², what is the mass of the box?
46. Inertia is the tendency of an object to resist changes in its state of motion. Which quantity is a measure of inertia?
47. What is the mathematical formula that represents Newton's Second Law of Motion?
48. Newton's Third Law of Motion states that for every action, there is an equal and opposite reaction. Which of the following is an example of this law?
49. Which of Newton's Laws of Motion describes the relationship between force, mass, and acceleration?
50. According to Newton's First Law of Motion, an object in motion will continue in motion with constant velocity unless acted upon by an external force. What is another name for this law?