A body weighs 72 N on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of the earth?

Question

A body weighs 72 N on the surface of the earth. What is the gravitational force on it, at a height equal to half the radius of the earth?, 32 N, 30 N, 24 N, 48 N

MARKS App · Accepted Answer

W s = m g s = 72 N W h = m g h = m g s 1 + h R 2 = 72 N 1 + R / 2 R 2 = 72 9 / 4 W h = 32 N

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