Question

Ask most difficult question on topic Gravitation.​

Answer 1

1. The period of artificial geostationary satellite is:

A. 8 hours

B. 12 hours

C. 24 hours

D. 46 hours

Ans. C

2. If the mass of the earth is not changed and its radius decreased by 1% then the acceleration due to gravity on the surface of the earth would be:

A. Increase by 2 %

B. Decrease by 2 %

C. Increase by 9.8 %

D. Remains unchanged

Ans. A

3. When satellite orbits close to a planet, its time period depends upon:

A. The mass of satellite

B. Radius of the planet

C. Mass of the planet

D. Density of the planet

Ans. D

4. The value of universal gravitational constant G is:

A. 9.8 m/s2

B. 6.673×10-11 N m2 kg-2

C. 6.371 x 106 m

D. 1.738 x 10 6 m

Ans. B

5. When body falls towards earth its motion is due to:

A. Gravitational force

B. Motion due to gravity

C. Acceleration due to gravity

D. Because of zero weight

Ans. A

Answer 2

Answer:

Hope you get the question.