Gravitation – Online MCQs Test – Physics 9th

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

2. According to Newton’s law of universal gravitation, force ∝ ____________

3. Numerical value of G is ___________

4.

5. Ocean tides are caused by the:

6. Sun’s gravitational attraction to the Earth is ________ times greater than that of the moon to the Earth.

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

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

9.

10. ____________ are used to put satellites into orbits.

11. Gravitation force follows the:

12. A communication satellite completes its one revolution around the Earth in hours

13. Weight is measure in:

14.

15. According to Newton’s law of universal gravitation, force ∝ to ___________

16. According to Newton’s law of universal gravitation, force is inversely proportional to ____.

17. The first artificial satellite, Sputnik-1, was sent into space by:

18. Near Earth’s surface g = _____________

19. Mass of the Earth is ___________

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