Question Paper
Class / Subject: Class 10 (ICSE) · Physics
Chapter: Chapter 1 — Chapter 1: Force
Time Allowed: 32 minutes
Max Marks: 16
1. What is the moment of a force? [1]
(A) Force × perpendicular distance
(B) Force × mass
(C) Force ÷ distance
(D) Force + distance
2. What is another name for moment of force? [1]
(A) Torque
(B) Momentum
(C) Impulse
(D) Power
3. What does the principle of moments state? [1]
(A) Clockwise moments = anticlockwise moments (equilibrium)
(B) Force is always constant
(C) Moments are always zero
(D) Nothing specific
4. What is the centre of gravity? [1]
(A) The point where weight appears to act
(B) The heaviest part of a body
(C) The lightest part of a body
(D) A fixed point always at the centre
5. Why is centre of gravity important? [1]
(A) It affects a body's stability
(B) It has no importance
(C) Only for decoration
(D) Only for measurement
6. Where is moment of force applied? [1]
(A) Levers and simple machines
(B) Only abstract theory
(C) Nowhere practical
(D) Only in electricity
7. What is the SI unit of moment of force? [1]
(A) Newton-metre (Nm)
(B) Newton
(C) Joule
(D) Watt
8. Why learn about force and moments? [1]
(A) To analyse rotation, balance and machines
(B) No reason
(C) It's not useful
(D) Only for tests
9. What is the moment of a force? [1]
(A) Force × perpendicular distance
(B) Force × mass
(C) Force ÷ distance
(D) Force + distance
10. What is another name for moment of force? [1]
(A) Torque
(B) Momentum
(C) Impulse
(D) Power
11. What does the principle of moments state? [1]
(A) Clockwise moments = anticlockwise moments (equilibrium)
(B) Force is always constant
(C) Moments are always zero
(D) Nothing specific
12. What is the centre of gravity? [1]
(A) The point where weight appears to act
(B) The heaviest part of a body
(C) The lightest part of a body
(D) A fixed point always at the centre
13. Why is centre of gravity important? [1]
(A) It affects a body's stability
(B) It has no importance
(C) Only for decoration
(D) Only for measurement
14. Where is moment of force applied? [1]
(A) Levers and simple machines
(B) Only abstract theory
(C) Nowhere practical
(D) Only in electricity
15. What is the SI unit of moment of force? [1]
(A) Newton-metre (Nm)
(B) Newton
(C) Joule
(D) Watt
16. Why learn about force and moments? [1]
(A) To analyse rotation, balance and machines
(B) No reason
(C) It's not useful
(D) Only for tests