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Physics (AS & A Level) · Feb / March 2020 · Paper 12 · Question 12

9702Turning effects of forces

A uniform rod of weight 20 N and length 2.0 m is acted upon by two vertical forces, as shown. What are the resultant force acting on the rod and the resultant moment about the centre of gravity of the rod?

  1. Aresultant force 0 N, resultant moment 10 N m
  2. Bresultant force 0 N, resultant moment 20 N m
  3. Cresultant force 20 N, resultant moment 10 N m
  4. Dresultant force 20 N, resultant moment 20 N m

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Correct answer: A. resultant force 0 N, resultant moment 10 N m

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