Chapter 11: Gravitation – Important MCQs
1. The force of attraction between two objects is called:
A. Friction
B. Magnetic force
C. Gravitational force
D. Electrostatic force
✔️ Answer: C. Gravitational force
2. The force of gravity on the surface of the Earth is:
A. Repulsive
B. Attractive
C. Constant for all objects
D. Variable with shape
✔️ Answer: B. Attractive
3. The SI unit of gravitational force is:
A. Joule
B. Pascal
C. Newton
D. Kilogram
✔️ Answer: C. Newton
4. The value of acceleration due to gravity (g) on Earth is approximately:
A. 8.9 m/s²
B. 10.8 m/s²
C. 9.8 m/s²
D. 9.2 m/s²
✔️ Answer: C. 9.8 m/s²
5. The gravitational force between two objects increases when:
A. Their masses decrease
B. They are closer to each other
C. Distance increases
D. They are lighter
✔️ Answer: B. They are closer to each other
6. Who gave the Universal Law of Gravitation?
A. Galileo
B. Einstein
C. Newton
D. Faraday
✔️ Answer: C. Newton
7. The gravitational force between two objects depends on:
A. Shape and color
B. Mass and distance
C. Volume and temperature
D. Size and density
✔️ Answer: B. Mass and distance
8. Weight of an object is defined as:
A. Mass × Volume
B. Mass × Density
C. Mass × Acceleration due to gravity
D. Mass × Speed
✔️ Answer: C. Mass × Acceleration due to gravity
9. The unit of weight is the same as the unit of:
A. Mass
B. Volume
C. Force
D. Density
✔️ Answer: C. Force
10. The mass of a body on the Moon is 10 kg. What is its mass on Earth?
A. 60 kg
B. 10 kg
C. 1.6 kg
D. 0 kg
✔️ Answer: B. 10 kg
