Question

Q.4 An object at a distance „r‟ from the center of earth is falling towards

earth with an acceleration „g‟ is given by

a.

GM

r2

b.

r2

GM

c.

Gr2

M

d.

GM

/r​

Answer 1

Answer:

a) GM/r²

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Answer 2

Answer:

According to the law of gravitation, the force of attraction acting between two bodies is given by, Thus, when the distance between the objects is reduced to half the gravitational force increases by four times the original force.