F=Gm1m2/r^2
Where, G=universal constant of gravitation, F=force, r=radius, m1, m2=mass.
Ans. F=Gm1m2/r^2
or, G=Fr^2 /m1m2
or, [G] =[F]L^2 /M^2 =MLT^-2.L^2 /M^2 = M^-1L^3 T^-2.
Hence, the dimensional formula of universal constant of gravitation G, is [ M^-1L^3 T^-2]
Ans. F=Gm1m2/r^2
or, G=Fr^2 /m1m2
or, [G] =[F]L^2 /M^2 =MLT^-2.L^2 /M^2 = M^-1L^3 T^-2.
Hence, the dimensional formula of universal constant of gravitation G, is [ M^-1L^3 T^-2]