A suitable unit for gravitational constant is - Vidyadip

MCQ

A suitable unit for gravitational constant is

A
$k g-m sec ^{-1}$
B
$N m^{-1} sec$
✓
$N m^2 kg ^{-2}$
D
$k g m sec ^{-1}$

✓

Answer

Correct option: C.

$N m^2 kg ^{-2}$

(c) $F=\frac{G m_1 m_2}{d^2} ; \therefore G=\frac{F d^2}{m_1 m_2}=\mathrm{Nm}^2 / \mathrm{kg}^2$

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