A body weight $500 \,N$ on the surface of the earth. How much would it weigh half way below the surface of the earth ....... $N$
A body weight $500 \,N$ on the surface of the earth. How much would it weigh half way below the surface of the earth ....... $N$
$125$
$250$
$500$
$1000$
A body weight $500 \,N$ on the surface of the earth. How much would it weigh half way below the surface of the earth ....... $N$
Weight on surface of earth, $mg = 500\,N$ and weight below the surface of earth at $d = \frac{R}{2}$
$mg' = mg\left( {1 - \frac{d}{R}} \right) = mg\left( {1 - \frac{1}{2}} \right) = \frac{{mg}}{2} = 250\,N$
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