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Question 28

A uniform rod AB AB\,AB has length 4 m and mass 6 kg. The rod rests horizontally on two supports C C\,C and DDD, where AC=1AC = 1AC=1 m and AD=3AD = 3AD=3 m.

A horizontal rod AB of length 4 m rests on triangular supports C and D, with AC = 1 m and AD = 3 m.

a.

Find the magnitude of the reactions of the support at C C\,C and DDD.

[3]
b.

A block is now placed at B B\,B and the rod is on the point of tilting about DDD. Find the weight of the block.

[3]
c.

Find the magnitude of the reaction at DDD.

[2]
Markscheme

Moments Questions

  1. A Level
  2. /Maths
  3. /Moments

54 exam-style questions on Edexcel A Level Maths Moments, covering 4.1 Moments, 4.2 Resultant Moments, 4.3 Equilibrium, 4.4 Centres of Mass, and 4.5 Tilting. Each one has a worked solution and a mark scheme showing where the marks go.

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