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Physics (AS & A Level) · Oct / Nov 2021 · Paper 13 · Question 14

9702Equilibrium of forces

A uniform rod of length 200 cm is freely pivoted at point P. The rod is held horizontally in equilibrium by a 60 N weight that is attached to the rod by a string passing over a frictionless pulley. What is the weight of the rod?

  1. A30 N
  2. B60 N
  3. C80 N
  4. D140 N

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Correct answer: C. 80 N

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