A rod is acted on by two forces, each with magnitude $F$, in opposite directions. Each force is applied to the rod at a point 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