Gravitation Quiz

Gravitation Quiz 

1. What is the value of Gravitational constant, G?

2. The atmosphere consisting of a large number of gases is held to the earth by

3. Who gave the laws of planetary motion?

4. What will be the mass of an object of 98 kg on moon?

5. Where on the earth the value of g is maximum?

6. Which scientist demonstrated that in the absence of air resistance 9 ( that is in vacuum) even a feather and a coin fell at the same rate?

7. What type of force is gravity?

Ans. Pull

8. If the Moon was closer to the Earth the force between them would:

Ans. Get bigger

9. Who created an experiment to weigh the Earth?

Ans. Henry Cavendish

10. True or False: The gravitational force exerted by the Sun on the Earth is the same as the gravitational force exerted by the Earth on the Sun.

11. As an astronaut travels far away from earth, his weight decreases because

12. What is the motion of the object called moving in two dimensions under the influence of gravity?

13. The magnitude of the force of gravity acting on an object is

14. What happens to the gravitational force as objects get farther apart?

15. The weight of an object at the centre of the earth is