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?

30 N 24 N 48 N 32 N

32 N

W = \(\frac{W_o}{(1+\frac{h}{R})^2}\) Put h = \(\frac{R}{2}\) Wo = 72 N W = 32 N