m3 kg-1 s-2.
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Cavendish measured the gravitational constant "G".
g, the force of the Earth's gravitational attraction, is not a constant.
Well, let's see:Force of gravity = G M1 M2 / R2So G = (force) x (distance)2 / (mass)2 = (M L / T2) x (L2) / (M2) = (M L3) / (M2 T2) =(Length)3 (Mass)-1(Time)-2
It is m3kg-1s-2
Gravitational constant was determined by lord Henry cavendish in 1798 using a torsion balance .....G=6.67 *10^-9