Question

If a body weighs 'X'N on the surface of earth its weight half waydown to the centre of the earth, assuming earth to be of uniform density is
(a) '2X'N
(b)'X÷2'N
(c) 'X÷3'N
(d) '2x^2'N​

Answer 1

Assuming earth to be a sphere of uniform mass density, how much would a body weigh half way down the centre of the earth, if it weighed 100 N on the surface ? Weight half way down the centre of the earth, w′=mg′=mg2=1002=50N.

Answer 2

Answer:

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