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Question

Physics Question on Gravitation

The unit of the quantity g/G in SI will be

A

Kg m−2Kg\,m^{-2}

B

m Kg−2m\,Kg^{-2}

C

m2 Kg−1m^2\,Kg^{-1}

D

Kg2m−1Kg^2m^{-1}

Answer

Kg m−2Kg\,m^{-2}

Explanation

Solution

g=GM1r2g = \frac {GM_1}{r^2} gG=M1γ2\frac{g}{G}=\frac{M_{1}}{\gamma^{2}} ∴\therefore unit =kg/m2= kg / m ^{2} =kgm−2= kg m ^{-2}