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Physics · Oct / Nov 2023 · Paper 11 · Question 7

5054Turning effect of forces

A uniform metre rule of weight W is pivoted at the 25 cm mark and held horizontal by a force F applied upwards at the 100 cm mark. The rule is supported by a vertical force P acting at the pivot. What is the magnitude of P?

  1. A1/3 W
  2. B1/2 W
  3. C2/3 W
  4. D4/3 W

As printed in the paper

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Correct answer: C. 2/3 W

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