Two forces, each with magnitude $F$, are applied to a rod in opposite directions. The point of application of each force is a distance $d$ from pivot $P$. What is the torque of this couple about $P$?
- A$0$
- B$F \times d$
- C$2F \times d$
- D$2F \times 2d$
Physics 9702 · AS & A Level · Turning effects of forces