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Physics (AS & A Level) · May / June 2018 · Paper 12 · Question 14

9702Turning effects of forces

Two forces, each of magnitude F, act in opposite directions on a rod. Each force acts on the rod at a distance d from the pivot P. What is the torque of this couple about P?

  1. A0
  2. BF × d
  3. C2F × d
  4. D2F × 2d

As printed in the paper

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Correct answer: C. 2F × d

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