A sphere of mass 20 kg is attached by another sphere of mass 10 kg when their centres are 20 cm apart , with a force of `3.3 xx 10^(-7)`N . Calculate the constant of gravitation .

A sphere of mass 40 kg is attracted by a second sphere of mass 15 kg , when their centres are 20 cm apart, with a force of 0.1 miligram weight. Caculate the value of gravitational constant.

A sphere of mass 40 kg is attracted by a second sphere of mass 15 kg , when their centres are 20 cm apart, with a force of 0.1 miligram weight. Caculate the value of gravitational constant.

The force of attraction between two balls each of mass 1 kg when their centres are 10 cm apart is ……..

A sphere of mass 40 kg is being attracted by another sphere of mass 80 kg with aforce equal to 1//4 of a milligram weight their centres are 30 cm apart. Calculate the value of G.

Calculate the force of attraction between a sphere of mass 40 kg and another sphere of mass 80 kg with their centres 30 cm apart.

A sphere of mass 40 kg is attracted by a second sphere of mass 60 kg with a force equal to 4 mg . If G = 6 xx 10^(-11) N m^(2) kg^(-2) , calculate the distance between them. Acceleration due to gravity = 10 ms^(-2).

Two spheres of masses 38 kg and 15 kg each are placed with their centres 20 cm apart. The force of attraction between them is equal to 0.1 milligram wt. Calculate the constant of gravitation.

A sphere of mass 40 kg is alternated by another sphere of mass 15kg with a force of 1/(10) mg -wt . Find the value of G if the separation between the spheres is 20 cm.

Two spheres, each of mass 625 kg, are placed with their centres 50 cm apart. The gravitational force between them is