The acceleration due to gravity at a piece depends on the mass of the earth M, radius of the earth R and thegravitational constant G. Derive an expression for g?

The acceleration due to gravity at a piece depends on the mass of the

1.	The acceleration due to gravity at a piece depends on the mass of the earth M, radius of the earth R and thegravitational constant G. Derive an expression for g?
Answer» Solution :`G=kM^(x)R^(y)G^(z), [LT^(-2)]=[M^(x)][M^(-1)L^(3)T^(-2)]^(z)`. SIMPLIFYING `x=1,y=-2,z=1`