What is the free fall acceleration at the surface of the sun? As mass of the sun is 1.99x1030kg and having radius of 6.96x108m.
a) 274m/s2
b) 374 m/s2
c) 574 m/s2
d) 474 m/s2
According to global model the Earth is……at the
poles.
a) spherical
b) non spherical
c) oval
d) flattened
The radius of Earth is greatest at the…………
a) equator
b) pole
c) surface
d) none of these
Variation of ‘g’ with Altitude:
The value of ‘g’ at a given place is….related to the square of distance from the center of Earth.
a) directly
b) inversely
c) equally
d) partially
When we move away from the center of Earth
the value of ……….. decreases.
a) G
b) W
c) Fg
d) g
Explanation: As we move away from the center of earth the value of ‘g’ decreases. The change in the value of g is significant only at very large distances.
