Newton’s laws of motion and impulse - One Line Questions

1. If a force of 10 N acts on a mass of 5 kg for 2 seconds, the impulse delivered is: — 20 Ns
2. If a force of 20 N acts on a mass of 4 kg for 3 seconds, what is the change in momentum? — 60 kg m/s
3. 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? — -20000 Ns
4. What is the impulse if a force of 50 N acts on an object for 0.5 seconds? — 25 Ns
5. 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: — 5 m/s
6. 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: — a/2
7. Which of the following is an example of Newton's Third Law in action? — A rocket expelling gas downwards to move upwards
8. A large force acting for a short time produces the same effect as: — A small force acting for a long time
9. In which scenario is the impulse experienced by an object the greatest? — A large force applied for a long time
10. The momentum of a body is the product of its mass and: — Velocity
11. A cannon fires a projectile. According to Newton's Third Law, the cannon will experience: — An equal and opposite recoil force
12. Impulse is the effect of a force acting over a period of: — Time
13. A particle of mass m is acted upon by a force F. Its momentum changes from p1 to p2. The impulse is: — p2 - p1
14. If a net force F acts on an object of mass m for a time interval Δt, the impulse delivered to the object is: — F * Δt
15. Newton's Second Law of Motion relates force, mass, and acceleration by the formula: — F = ma
16. Which of Newton's laws of motion describes inertia? — First Law
17. 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: — First Law
18. 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: — Second Law
19. A quantity that measures the 'quantity of motion' in a body is: — Momentum
20. The impulse-momentum theorem states that: — Impulse is equal to the change in momentum
21. Consider a system of two particles colliding. If there are no external forces, the total momentum of the system: — Remains conserved
22. When a cricket player catches a fast-moving ball, they often move their hands backward. This action: — Increases the time of impact, decreasing the force
23. What is the SI unit of force? — Newton
24. The unit of impulse can also be expressed as: — kg m/s
25. The impulse experienced by a body is equal to the change in its: — Momentum
26. If a constant force F acts on a body of mass m for time Δt, the change in momentum is given by: — F * Δt
27. If the net force on an object is zero, its acceleration is: — Zero
28. An object's resistance to a change in its state of motion is called: — Inertia
29. A body of mass 'm' moving with velocity 'v' has momentum 'p'. If the velocity changes to 'v'', the change in momentum is: — m(v' - v)
30. What is the unit of momentum? — Kilogram-meter per second
31. For every action, there is an equal and opposite reaction. This statement is a description of: — Newton's Third Law
32. A bullet is fired from a gun. The gun recoils backward because of: — Newton's Third Law
33. Which law states that the inertia of an object depends on its mass? — Newton's First Law
34. A tug-of-war contest where both teams pull with equal force but one team moves the other is an illustration of: — Newton's Second Law
35. The impulse-momentum theorem is essentially a restatement of: — Newton's Second Law
36. A rocket works on the principle of: — Newton's Third Law
37. Which principle states that in the absence of an external force, the total momentum of a system remains constant? — Principle of Conservation of Momentum
38. If the velocity of an object doubles, its momentum: — Doubles
39. Which law states that an object will continue in its state of rest or uniform motion unless acted upon by an external force? — Newton's First Law
40. A hammer strikes a nail. The force exerted by the hammer on the nail is equal and opposite to: — The force exerted by the nail on the hammer
41. Inertia is a measure of: — The resistance of an object to changes in its state of motion
42. The impulse is a vector quantity. Its direction is the same as the direction of: — The net force
43. If the net external force on a system is zero, then: — The momentum of the system remains constant
44. If the mass of an object is halved and its velocity is doubled, its momentum will be: — Doubled
45. Impulse is defined as the change in: — Momentum
46. A body is pushed with a constant force. Which of the following quantities is constant if the mass is also constant? — Acceleration
47. According to Newton's Second Law, if mass is kept constant, force is directly proportional to: — Acceleration
48. Newton's Second Law can be expressed as the relationship between force and the rate of change of: — Momentum
49. The product of force and the time interval over which it acts is equal to: — Impulse
50. If a force causes an object to change its velocity, then the object must have experienced: — A net impulse
All One Line Questions
E-Book Newton’s laws of motion and impulse Online Test Newton’s laws of motion and impulse Question Bank Newton’s laws of motion and impulse