Gravitation – Online MCQs Test – Physics 9th

Class 9th | Physics | Chapter 6 | Gravitation | Online MCQs Test

Online MCQs Test of Chapter 6 (Gravitation) Physics Class 9th Science Group – Sindh Board. According to New Examination Pattern / Syllabus of Sindh Board

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 

6. Mass of the Earth is ___________

 
 
 
 

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

 
 
 
 

8. Near Earth’s surface g = _____________

 
 
 
 

9. Gravitation force follows the:

 
 
 
 

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

 
 
 
 

11. Weight is measure in:

 
 
 
 

12.

13. Earth’s field force is a:

 
 
 
 

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

 
 
 
 

15.

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

 
 
 
 

17. Numerical value of _______________ remains constant everywhere.

 
 
 
 

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

 
 
 
 

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

 
 
 
 

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

 
 
 
 


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