Find the dimensional formula of the universal gravitational constant given the relation

PHYSICS · Subjective · A Level · Physics · Measurements and their errors · Measurements and their errors

Problem

Find the dimensional formula of the universal gravitational constant

G

given the relation

F = G \dfrac{m_1 m_2}{r^{2}}

, where

F

is force,

m_1

and

m_2

are masses, and

r

is the distance between them.