Gravitation – Online MCQs Test – Physics 9th

1. Mass of the Earth is ___________

2. In 1798, he completed the 1^st experiment that demonstrated Newton’s Law of universal gravitation.

3. Ocean tides are caused by the:

4. Your weight as measured on Earth will be _________ on the Moon.

5. Numerical value of G is ___________

6. The time required for a satellite or complete one revolution around the Earth in its orbit is called its:

7. The motion of a falling ball towards Earth is due to the ____________

8. The constant horizontal velocity required to put the satellite into a stable circular orbit around the Earth is called:

9.

10. Newton’s law of gravitational holds between every two objects on the _________

11. The height of a geostationary satellite is about km from the surface of the Earth.

12. Numerical value of _______________ remains constant everywhere.

13. Near Earth’s surface g = _____________

14.

15. ___________ was the first scientist who gave the concept of gravitation.

16. Gravitation force is _____________ of the medium between the objects.

17. The gravitational pull of the Earth on the satellite provides the _________ needed to keep a satellite in orbit around some planet.

18.

19. Weight is measure in:

20. Earth’s field force is a: