Force and inertia - One Line Questions

1. If a force of 10 N acts on a mass of 5 kg, the acceleration produced is: — 2 m/s²
2. Which of the following is an example of inertia of direction? — A car turning a corner
3. Which of the following is an example of inertia of motion? — A person jumping out of a moving train and falling down
4. Which of the following has the largest inertia? — A shot put
5. A body experiences a net force. This implies that the body must be: — Accelerating
6. A person is standing on a skateboard. If they throw a ball forward, the person and skateboard will move: — Backward
7. Inertia is the property of a body by virtue of which it tends to: — Remain in its state of rest or uniform motion
8. If the net force on a system is zero, then the total momentum of the system: — Remains constant
9. A constant force acts on a body. The body will have: — Constant acceleration
10. Why do passengers in a bus tend to fall backward when the bus suddenly starts moving forward? — Due to inertia of rest
11. Why do passengers tend to fall forward when a moving bus suddenly stops? — Due to inertia of motion
12. The unit of force in the SI system is: — Newton
13. Which quantity is conserved when no net force acts on a system? — Momentum
14. A body is moving with constant velocity. What is the net force acting on it? — Zero
15. The concept of inertia is most directly related to which of Newton's laws? — First Law
16. Newton's first law states that an object will remain at rest or in uniform motion in a straight line unless acted upon by an external: — Force
17. Which of the following statements about force is correct? — Force is a vector quantity.
18. A force is applied to an object, causing it to accelerate. If the mass of the object is increased while the force remains the same, the acceleration will: — Decrease
19. If the mass of an object decreases, its inertia: — Decreases
20. A car is moving at a high speed. To stop it quickly, brakes are applied. The car slows down due to: — Friction
21. Which of these statements best describes the relationship between force and inertia? — Force is required to overcome inertia.
22. Which type of inertia is responsible for a carpet being beaten to remove dust? — Inertia of rest
23. When a vehicle takes a sharp turn, passengers lean outwards. This is due to: — Inertia of motion
24. A ball is thrown upwards. Which force opposes its upward motion? — Gravity
25. When a bus starts suddenly, a passenger's feet move with the bus, but their upper body tends to remain at rest due to: — Inertia of rest
26. When you shake a wet towel to dry it, the water droplets fly off due to: — Inertia of motion
27. A child is sitting in a car. If the car suddenly stops, the child tends to move forward due to: — Inertia of motion
28. A heavier object has more inertia than a lighter object because: — It has more mass
29. What happens to the inertia of an object if its mass is doubled? — It is doubled
30. If a net force of zero is applied to a body of mass 'm', what will be its acceleration? — Zero
31. A force is required to: — Change the state of motion of a body
32. A force is defined as that which causes change in: — State of motion
33. A force can change the velocity of an object by changing its: — Speed and/or direction
34. The property of matter that resists any change in its state of motion is called: — Inertia
35. Newton's first law of motion is also known as the law of: — Inertia
36. The tendency of a body to resist a change in its state of motion is called: — Inertia
37. The measure of the resistance of an object to a change in its state of motion is called: — Inertia
38. If an object is at rest, its inertia tends to keep it: — At rest
39. If the net force acting on an object is zero, then the object: — Must be moving with constant velocity
40. Which of the following is NOT a unit of force? — Pascal
41. A body is in motion. A force acting on it can cause it to: — All of the above
42. Inertia of rest is the tendency of an object to resist a change in its: — State of rest
43. Why is it harder to push a heavy box than a light box starting from rest? — The heavy box has more inertia.
44. If a body is accelerating, it means: — The net force on it is non-zero
45. A feather and a stone are dropped from the same height in a vacuum. Which one will reach the ground first and why? — They will reach at the same time, as gravity affects them equally.
46. Inertia is a property related to: — The tendency to resist changes in velocity.
47. Which of the following quantities is a measure of inertia? — Mass
48. The inertia of an object is directly proportional to its: — Mass
49. Inertia is a scalar quantity. Its value depends only on: — Mass
50. The law of inertia is most applicable in which scenario? — When the net force on an object is zero.
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