Law of Acceleration (Second Law) – MCQs

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1. Newton’s Second Law of Motion relates force to:



2. The mathematical expression of Newton’s Second Law is:



3. According to the Second Law, acceleration is:



4. The SI unit of force is:



5. One Newton is defined as:



6. If mass is doubled and force constant, acceleration will:



7. If force is doubled and mass constant, acceleration will:



8. Which physical quantity explains the “rate of change of momentum”?



9. Momentum is the product of:



10. A force of 20 N acts on 5 kg body. Acceleration is:



11. The direction of acceleration is always:



12. If no net force acts, acceleration becomes:



13. Newton’s Second Law gives the definition of:



14. Inertia is explained by Newton’s:



15. The SI unit of momentum is:



16. A truck and a car moving with same velocity, the truck has more momentum because:



17. The impulse is equal to:



18. Newton’s Second Law connects:



19. Force is a vector quantity because it has:



20. If net external force on a body is zero, its momentum will:



21. The relation F = ma was first introduced by:



22. Acceleration produced in a body depends on:



23. If two forces act on a body in the same direction, the net force is:



24. A bullet fired from a gun has high velocity because:



25. Which one is directly proportional to net external force?



26. A ball of mass 2 kg accelerates at 3 m/s². Force applied is:



27. The rate of change of momentum is measured in:



28. Newton’s Second Law helps in calculation of:



29. The acceleration of a body is inversely proportional to:



30. A rocket works on the principle of:



31. A 10 kg object requires a force of 50 N. Its acceleration is:



32. When a constant force is applied to a body, its acceleration:



33. If a moving object doubles its velocity, its momentum becomes:



34. A cricketer lowers his hand while catching a ball to:



35. Force is directly proportional to:



36. Which of the following is not a unit of force?



37. When a body is acted upon by force, it acquires:



38. If equal force is applied to objects of different masses, lighter object has:



39. The momentum of a stationary body is:



40. Which is a scalar quantity?



41. A force of 100 N produces acceleration of 20 m/s². Mass of body is:



42. Newton’s Second Law is consistent with which conservation principle?



43. A 500 g mass has acceleration of 10 m/s². Force applied is:



44. The effect of force depends on:



45. A moving body resists deceleration due to:



46. Which of the following situations shows Newton’s Second Law?



47. If time of action of force is halved, impulse will:



48. The product of mass and acceleration is called:



49. When a cricket bat hits a ball, the ball accelerates according to:



50. The SI unit of impulse is:



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