Asked by Lohith.J | 10th Jan, 2009, 08:31: PM
Mathematical equation for Newton's law of Gravitation :
F = G M m / r2
here, M is the mass of Earth , m is the mass of body and r is the distance between them.
Now, F = mg ( from second law of motion)
substituiting the same in mathematical eqn we get,
mg = G M m / r2
or, g = G M / r 2 , which is the required relation between 'g' and 'G'.
Answered by | 11th Jan, 2009, 12:56: AM
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