Two objects in motion have different masses. how does the difference in mass affect the forces needed to make the objects achieve the same rate of change of velocity? a. it will take the same amount of force to achieve the same rate of change for the two objects. b. the object that has greater mass will require more force to achieve the same rate of change. c. force does not affect the rate of change of an object. d. the object that has less mass will require more force to achieve the same rate of change.