Gravitation easy

Gravitation Quiz (Easy)

1. Who discovered the law of universal gravitation?

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

2. 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

3. 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

4. The value of gravitational acceleration is maximum at:

a) The North Pole b) The Equator c) The South Pole d) It remains the same everywhere on the Earth's surface

5. Which of the following is an example of a force acting against gravity?

a) A ball rolling down a slope b) A ball thrown vertically upwards c) A ball at rest on the ground d) A ball moving horizontally

6. 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

7. What is the SI unit of gravitational force?

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

8. 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

9. Which of the following objects will fall with greater acceleration in a vacuum near the surface of the Earth?

a) A feather b) A hammer c) Both will fall with the same acceleration d) It depends on the size of the objects

10. The value of acceleration due to gravity is maximum on:

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