Question Paper
Class / Subject: Class 9 (ICSE) · Physics
Chapter: Chapter 3 — Chapter 3: Laws of Motion
Time Allowed: 32 minutes
Max Marks: 16
1. What does Newton's First Law state? [1]
(A) Objects stay at rest or in motion unless a force acts
(B) Force equals mass times acceleration
(C) Every action has an equal reaction
(D) None of these
2. What is another name for the First Law? [1]
(A) Law of inertia
(B) Law of action-reaction
(C) Law of gravity
(D) Law of energy
3. What does Newton's Second Law state? [1]
(A) F = ma
(B) Objects stay at rest unless forced
(C) Every action has a reaction
(D) None of these
4. What does F=ma mean? [1]
(A) Force equals mass times acceleration
(B) Force equals mass plus acceleration
(C) Force equals mass divided by acceleration
(D) Force has no relation to mass
5. What does Newton's Third Law state? [1]
(A) Every action has an equal, opposite reaction
(B) Objects stay at rest unless forced
(C) Force equals mass times acceleration
(D) None of these
6. What explains rocket propulsion? [1]
(A) Newton's Third Law
(B) Only the First Law
(C) Only the Second Law
(D) None of the laws
7. Why do we feel pushed back in an accelerating car? [1]
(A) Due to inertia (First Law)
(B) Due to the Third Law only
(C) Due to gravity only
(D) No specific reason
8. Why study Newton's laws? [1]
(A) They form the foundation of classical mechanics
(B) No reason
(C) It's not useful
(D) Only for tests
9. What does Newton's First Law state? [1]
(A) Objects stay at rest or in motion unless a force acts
(B) Force equals mass times acceleration
(C) Every action has an equal reaction
(D) None of these
10. What is another name for the First Law? [1]
(A) Law of inertia
(B) Law of action-reaction
(C) Law of gravity
(D) Law of energy
11. What does Newton's Second Law state? [1]
(A) F = ma
(B) Objects stay at rest unless forced
(C) Every action has a reaction
(D) None of these
12. What does F=ma mean? [1]
(A) Force equals mass times acceleration
(B) Force equals mass plus acceleration
(C) Force equals mass divided by acceleration
(D) Force has no relation to mass
13. What does Newton's Third Law state? [1]
(A) Every action has an equal, opposite reaction
(B) Objects stay at rest unless forced
(C) Force equals mass times acceleration
(D) None of these
14. What explains rocket propulsion? [1]
(A) Newton's Third Law
(B) Only the First Law
(C) Only the Second Law
(D) None of the laws
15. Why do we feel pushed back in an accelerating car? [1]
(A) Due to inertia (First Law)
(B) Due to the Third Law only
(C) Due to gravity only
(D) No specific reason
16. Why study Newton's laws? [1]
(A) They form the foundation of classical mechanics
(B) No reason
(C) It's not useful
(D) Only for tests