Gravitation medium

Gravitation Quiz (Medium)

1. The value of acceleration due to gravity on the surface of the Earth is approximately:

a) 9.8 m/s² b) 6.67 x 10^-11 N m²/kg² c) 3 x 10^8 m/s d) 3 x 10^5 km/s

2. The gravitational force between two objects:

a) Increases with the increase in distance between them b) Decreases with the increase in distance between them c) Remains constant regardless of the distance between them d) Depends on the mass of the objects only

3. Who discovered the law of universal gravitation?

a) Isaac Newton b) Albert Einstein c) Galileo Galilei d) Johannes Kepler

4. The weight of an object is the force with which it is attracted towards the:

a) Earth's magnetic field b) Earth's surface c) Center of the Earth d) Center of the Sun

5. What is the SI unit of gravitational force?

a) Newton b) Joule c) Kilogram d) Pascal

6. The force of attraction between any two objects is directly proportional to:

a) The product of their masses b) The square of the distance between their centers c) The sum of their masses d) The cube of the distance between their centers

7. The value of gravitational acceleration is maximum on:

a) The surface of the Moon b) The surface of Mars c) The surface of Venus d) The surface of Jupiter

8. The value of acceleration due to gravity is minimum on:

a) The surface of the Earth b) The surface of the Moon c) The surface of Mars d) The surface of Venus

9. If the distance between two objects is doubled, then the gravitational force between them will:

a) Double b) Halve c) Become four times d) Become one-fourth

10. If the mass of one of the objects is tripled while keeping the other object's mass constant, the gravitational force between them will:

a) Triple b) Halve c) Become nine times d) Remain the same