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Class 11 Physics (Part I) Chapter 3 Laws Of Motion Quiz 38 (25 MCQs)

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1. 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 .....
2. Which law of motion explains why it takes less force to move a lighter object than a heavier one?
3. 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?
4. 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?
5. Acceleration is measured opposite to velocity then
6. A stationary object has no forces acting on it.
7. 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?
8. 5) Which statement is true for Newton's second law
9. 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.
10. Newton's Second Law is also known as the Law of .....
11. True or False:Newton's First Law states that an object in motion will remain in motion unless acted upon by an outside force.
12. A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?
13. Equal and Opposite
14. When an object is moving at constant velocity on the rough surface
15. Are unequal forces that cause a change in the motion of an object
16. Newton's second law of motion states that an object's acceleration depends on it's ..... and on the next force acting on it?
17. The branch of science that deals with celestial objects, space, and the physical universe as a whole is called .....
18. The rate at which an object changes its speed or direction (speeding up slowing down, or changing direction)
19. Newton's Second Law is also known as the Law of (a)
20. The net force acting on an accelerating object is suddenly tripled. This will cause the acceleration of the object to
21. 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.
22. In which situation does the law ofconservation of momentum apply?
23. What causes a change in an object's motion?
24. A rocket or jet engine works on the principle of
25. Which of these words does NOT describe the direction an object is moving.
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