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The dimensions of universal gravitational constant are |
$[M^{-1}L^3T^{-2}]$ $[ML^2T^{-1}]$ $[M^{-2}L^3T^{-2}]$ $[M^{-2}L^2T^{-1}]$ |
$[M^{-1}L^3T^{-2}]$ |
F = G$\frac{m_1m_2}{2^2}$ [G] = $\frac{Fr^2}{m_1m_2}$ = $\frac{[MLT^{-2}][L^2]}{[M^2]}$ = $[M^{-1}L^3T^{-2}]$ |
