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Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 15 (60 MCQs)

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1. Examples of Newton's Laws of Motion
2. The tendency of an object to stay at rest or moving at a constant speed is called .....
3. A cart at the grocery store filled with canned goods is much harder to push quickly than an empty cart because increasing the mass decreases the .....
4. What unit is acceleration measured in?
5. Also known as the law of inertia
6. How is acceleration measured?
7. You are sitting in a car that isn't moving; the car accelerates. Your body is pushed back because .....
8. When a basketball is dropped to the floor, it bounces back up to the player's hand. Which of Newton's laws best explains why this occurs?
9. What happens to the acceleration of an object when the mass is halved? (force remains the same)
10. Which of the following scenarios is an example of Newton's Third Law of Motion?
11. What is the force of friction between a block of ice that weighs 950 N and the ground if $\mu$ = .12?
12. A lamp sitting on a table is demonstrating Newton's ..... Law.
13. To project the rockets which of the following principle(s) is /(are) required?
14. If outside forces such as friction are negligible, when two objects of the same mass collide and do not stick together, the objects .....
15. According to Newton's third law of motion, for every action, there is an equal and opposite:
16. If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)
17. According to Newton's 2nd Law of Motion, what is the formula for force?
18. A table cloth can be withdrawn from under a set of dishes without dislodging them. Which of the following BEST explains the phenomenon displayed by the dishes?
19. The rate of change in an object's speed.
20. A(n) ..... is a push or pull.
21. A measure of how fast something moves over a certain distance is .....
22. The risk of injury in a car accident is much greater if occupants do not wear a seat belt. Which of Newton's laws explains why this is true?
23. Newton's first law of motion states that an object will not experience a change in motion unless acted upon by what?
24. Two toy cars that have the same mass and same speed move toward each other and collide. During the collision the momentum of the cars is .....
25. Which law of motion explains why it takes less force to move a lighter object than a heavier one?
26. A golf ball is sitting on a tee. Then the golf ball is hit by a golf club. What keeps the golf ball steady on the tee?
27. Mary is riding in a car when the driver suddenly slams on the brakes. Mary is jerked forward out of her seat. This is an example of which law of motion?
28. Acceleration is measured opposite to velocity then
29. A stationary object has no forces acting on it.
30. A book is lying on a table. According to Newton's First Law, what will happen to the book if no external force is applied?
31. 5) Which statement is true for Newton's second law
32. The law of inertia states that a body in motion will remain in motion and a body at rest will remain at rest unless acted upon by a(n) ..... force.
33. Newton's Second Law is also known as the Law of .....
34. True or False:Newton's First Law states that an object in motion will remain in motion unless acted upon by an outside force.
35. A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?
36. Equal and Opposite
37. When an object is moving at constant velocity on the rough surface
38. Are unequal forces that cause a change in the motion of an object
39. Newton's second law of motion states that an object's acceleration depends on it's ..... and on the next force acting on it?
40. The branch of science that deals with celestial objects, space, and the physical universe as a whole is called .....
41. The rate at which an object changes its speed or direction (speeding up slowing down, or changing direction)
42. Newton's Second Law is also known as the Law of (a)
43. The net force acting on an accelerating object is suddenly tripled. This will cause the acceleration of the object to
44. Which of the following statements are true?I. Action and reaction forces occur in pair.II. Action and reaction forces act on the same object.III. Action and reaction forces can occur one at a time.IV. Action and reaction forces have the same magnitude.
45. In which situation does the law ofconservation of momentum apply?
46. What causes a change in an object's motion?
47. A rocket or jet engine works on the principle of
48. Which of these words does NOT describe the direction an object is moving.
49. Force is measured in
50. What is the force that slows down or eventually stops an objects motion?
51. Which of Newton's Laws of Motion states that force equals mass times acceleration?
52. A monkey of weight mg sits in a rocket moving up with an acceleration of 5g. The apparent weight of the monkey is x mg where x is
53. ..... describes how fast an object is moving.
54. Ted is playing with a yoyo outside. When he pushes the yoyo downward it returns back to him with the same force. Which law is this an example of?
55. Objects exert the ..... amount of force in action-reaction pairs.
56. An unbalanced force acting on an object causes it to .....
57. According to Newton's third law of motion, the strength of a reaction force is (a) the strength of the action force.
58. When a person jumps horizontally off the end of a boat, the person goes forward and the boat goes backward. This is an example of
59. A transfer in ..... can change an objects speed and direction.
60. Pulling an arrow back farther, while using a bow and arrow, will increase the ..... energy.
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