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

Two spherical balls of mass 10 kg each are placed with their centers 10 cm apart. Find the gravitational force of attraction between them. (AS_(1))

Two spherical balls of mass 10 kg each are placed with their centers 10 cm apart. Find the gravitational force of attraction between them. (AS_(1))

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.