Which statement best describes a couple?
a pair of forces of equal magnitude acting in opposite directions which produce rotational motion but not translational motion
2 )
a pair of forces of equal magnitude acting in opposite directions which produce translational motion but not rotational motion
3 )
a pair of forces of equal magnitude acting in the same direction which produce rotational motion but not translational motion
4 )
a pair of forces of equal magnitude acting in the same direction which produce translational motion but not rotational motion
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