Assuming the earth to be a sphere of uniform mass density, how much would body weight half way down to the centre of earth if it weighed 250 N on the surface ?

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Q. Assuming the earth to be a sphere of uniform mass density, how much would body weight half way down to the centre of earth if it weighed 250 N on the surface ?

(A) 175 N
(B) 125 N
(C) 150 N
(D) 200 N

Correct Answer - Option(B)

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