Gravitation – Online MCQs Test – Physics 9th

1. Weight is measure in:

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

3. Spring balance is used to measure ______________

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

5. Numerical value of _______________ remains constant everywhere.

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

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

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

9. __________ is a natural satellite.

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

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

12. Gravitational force is always ___________

13.

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

15. Mass of the Earth is ___________

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

17. Gravitational field of Earth is directed ____________

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

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

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