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

Two metal spheres each of radius 'r' are kept in contact with each oth

1.	Two metal spheres each of radius 'r' are kept in contact with each other. If d is the density of the meterial of the sphere, then the gravitational force between those spheres is propositional to
Answer» `d^(2)R^(6)` `d^(2)r^(4)` `(d^(2))/(r^(4))` `(r^4)/(d^2)` ANSWER :B