Which statement gives the best description of a couple?
- AA pair of forces of equal magnitude acting in opposite directions which produce rotational motion but not translational motion
- BA pair of forces of equal magnitude acting in opposite directions which produce translational motion but not rotational motion
- CA pair of forces of equal magnitude acting in the same direction which produce rotational motion but not translational motion
- DA pair of forces of equal magnitude acting in the same direction which produce translational motion but not rotational motion