Gravity and Its Effects MCQs

1. The force of gravity between two objects depends on:
(A) The temperature of the objects
(B) The size of the objects
(C) The distance between the objects and their masses
(D) The color of the objects

2. What is the SI unit of gravitational force?
(A) Newton
(B) Joule
(C) Kilogram
(D) Meter

3. Who formulated the law of universal gravitation?
(A) Albert Einstein
(B) Isaac Newton
(C) Galileo Galilei
(D) James Clerk Maxwell

4. The acceleration due to gravity on the surface of the Earth is approximately:
(A) 10 m/s²
(B) 10 N
(C) 9.8 m/s
(D) 9.8 m/s²

5. The force of gravity on an object on the Earth's surface depends on:
(A) The object's mass only
(B) The object's volume only
(C) The object's mass and the Earth's mass
(D) The object's shape

6. If the distance between two masses is doubled, the gravitational force between them:
(A) Doubles
(B) Increases four times
(C) Decreases four times
(D) Decreases twice

7. The force of gravity on the Moon is approximately:
(A) One-sixth of the Earth's gravitational force
(B) Half of the Earth's gravitational force
(C) The same as on Earth
(D) Ten times stronger than Earth's gravity

8. The weight of an object is:
(A) The same everywhere in the universe
(B) Dependent on the object's mass and the gravitational pull at that location
(C) The same as its mass
(D) Independent of gravity

9. When an object is dropped from a height, it accelerates due to gravity. This acceleration is:
(A) Zero
(B) Constant and independent of mass
(C) Dependent on the object's size
(D) Always decreasing

10. What happens to the gravitational force if the masses of both objects are doubled?
(A) The force remains the same
(B) The force is doubled
(C) The force is halved
(D) The force is quadrupled