question_answer 40)

  Law of gravitation gives the gravitational force between (a) the earth and a point mass only                          (b) the earth and the sun only (c) any two bodies having some mass                     (d) two charged bodies only

Answer:

  (c) Law of gravitation is applicable to all bodies having some mass. And is given by where, F = Force of attraction between the two bodies  = Mass of two bodies G = Gravitational constant r = Distance between the two bodies.