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Variation of G Due to Height and Depth

Suppose, the ...

Question

Suppose, the acceleration due ot gravity at the earth's surface is $10 m s^{- 2}$ and at the surface of Mars it is $4.0 m s^{- 2}$ . A $60$ kg passenger goes from the Earth to the Mars in a spaceship moving with a constant velocity. Neglect all other objects in the sky. Which part of figure bests represents the weight (net gravitational force) of the passenger as a function of time?

A

A

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B

B

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C

C

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D

D

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Solution

The correct option is B $C$
g is inversely proportional to square of R and also, at some point force due to earth and mass cancels each other, and gravitational force can't be negative.
Hence, C is the correct graph.

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