Two identical spheres are placed in contact with each other. The force of gravitation between the spheres will be proportional to ( R = radius of each sphere)

Two identical solid copper spheres of radius R placed in contact with each other. The gravitational attracton between them is proportional to

Two balls, each of radius R, equal mass and density are placed in contact, then the force of gravitation between them is proportional to

Two identical spheres each of mass M and radius R are separated by a distance 3R. The force of attraction between them is proportional to

Two identical copper spheres of radius R are in contact with each other. If the gravitational attraction between them is F , find the relation between F and R .

Two leads spheres of same radii are in contact with eacth other. The gravitational force of attraction between them is F . If two leads spheres of double the previous radii are in contanct with eacth other, the gravitational force of attraction between them now will be

Two identical copper spheres of radius R are in contact with each other. If the gravitational attraction between them is F, find the relation berween F and R.

Two solid sphere of same size of a metal are placed in contact by touching each other prove that the gravitational force acting between then is directly proportional to the fourth power of their radius.

The centre of two identical spheres are 1.0 m apart . If the gravitational force between the spheres be 1.0 N , then what is the mass of each sphere ? (G = 6.67 xx 10^(-11) m^(3) kg^(-1) s^(-2)) .

Two metal spheres each of radius r are kept in contact with each other. If d is the density of the material of the sphere,then the gravitational force between those spheres is proportional to