Which one of the following statements is not true?
(a) The same force for the same time causes the same change in momentum for different bodies.
(b) The rate of change of momentum of a body is directly proportional to the applied force and takes place in the direction in which the force acts.
(c) A greater opposing force is needed to stop a heavy body than a light body in the same time, if they are moving with the same speed.
(d) The greater the change in the momentum in a given time, the lesser is the force that needs to be applied.​