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A body weight 500 N on the surface of th...

A body weight 500 N on the surface of the Earth. How much would it weight half way below the surface of Earth.

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Weight on surface of Earth mg = 500
Weight below the surface of Earth at `d=R/2`
From variation of .g. with depth
` g. = g(1-d/R)`
` mg. = mg [ 1 - ((R/2))/R ] = 500 [ 1- 1/2] = 500 [1/2] `
`W. = 250 N `
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