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Physics (AS & A Level) · May / June 2017 · Paper 13 · Question 11

9702Turning effects of forces

A uniform beam of mass 1.4 kg is pivoted at P as shown. The beam has a length of 0.60 m and P is 0.20 m from one end. Loads of 3.0 kg and 6.0 kg are suspended 0.35 m and 0.15 m from the pivot as shown. What is the torque that must be applied to the beam in order to maintain it in equilibrium?

  1. A0.010 N m
  2. B0.10 N m
  3. C0.29 N m
  4. D2.8 N m

As printed in the paper

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Correct answer: D. 2.8 N m

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