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 heavy particles of masses 40 kg and 60 kg attracts each other with a fore of 4 xx 10^(-5) N . If G is 6xx10^(-11) N-m^(2) kg^(-2) , calculate the distance between them.

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.

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.

The radius of the moom is 1.7 xx 10^(6) m and its mass is 7.4 xx 10^(22) kg . If G = 6.67 xx 10^(-11) Nm^(2) kg^(-2) , find the value of acceleration due to gravity on the surface of moon.

A spherical mass of 20 kg lying on the surface of the Earth is attracted by another spherical mass of 150 kg with a force equal to 0.23 mg f . The centres o fthe two masses are 30 cm apart. Calculate the mass of the Earth. Radius of the Earth is 6 xx 10^(6)m .

A sphere of mass 25 kg attracts another sphere of mass 24kg with a force of 0.1 milligram weight. if distance between the centres of two sphere is 20 cm, what is the value of G ?

An electron of mass 9.1xx10^(-31) kg is at a distance of 10 A^(@) from a. porton of mass 1.67xx10^(-27) kg. calculate the gravitational force of attraction between them.

Calculate the gravitational force of attraction between two spherical bodies, each of mass 1kg placed at 10m apart (G = 6.67 xx 10^(-11)Nm^(2)//kg^(2)) .

Calculate mass of earth taking it to ne a sphere of radius 6400 km. given g=9.8 m//s^(2) and G=6.67xx10^(-11)N m^(2)kg^(-2)