Gravitation – Online MCQs Test – Physics 9th

1. Gravitational field of Earth is directed ____________

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

3. The velocity of a satellite is ____________ of its mass.

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

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

6. It changes the path of the Moon around the Earth.

7. Ocean tides are caused by the:

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

9.

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

11. Numerical value of G is ___________

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

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

14. Near Earth’s surface g = _____________

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

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

17. Newton’s law of gravitation is consistent with Newton’s _________ law of motion.

18.

19. Gravitational force is always ___________

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