Question

Two equal and opposite forces \[\vec F\] separated by a perpendicular distance d form a couple. The magnitude of the couple is ______.

Options

• F

• Fd

• F/d

• 2Fd

Answer 1

Two equal and opposite forces \[\vec F\] separated by a perpendicular distance d form a couple. The magnitude of the couple is Fd.

Explanation:

For a couple, moment magnitude is M = Fd where d is the perpendicular separation.