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A body weighs 63 N on the surface of the...

A body weighs 63 N on the surface of the earth. What is the gravitational force on it due to the earth at a height equal to half the radius of the earth ?

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Let `g_(h)` be the accelration due to gravity at a height equal to half the radus of the Earth `(h=R//2` and g its value of Earths surface, Let the body have mass m.
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