Question

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

Answer 1

Answer: (D)

The greater the change in the momentum in a given time, the greater is the force that needs to be applied.