Gravitation – Online MCQs Test – Physics 9th

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

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

3.

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

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

6. __________ is a natural satellite.

7. Earth’s field force is a:

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

9. Gravitational force is always present between two objects because of their:

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

11. ____________ are used to put satellites into orbits.

12.

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

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

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

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

17.

18. Gravitational force is always ___________

19. Numerical value of G is ___________

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