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4.10 Moments (A-level only)

4.10 Moments (A-level only)

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Question 20

A non-uniform rod AB AB\,AB has length 5 m and mass 12 kg. The rod is held horizontally by two vertical light inextensible strings attached at A A\,A and CCC, where AC=4AC = 4AC=4 m. The tension in the string at A A\,A is twice the tension in the string at CCC.

Figure for question 1

a.

Find the tension in the string at C C\,C in terms of ggg.

[2]
b.

Find the distance of the centre of mass of the rod from AAA.

[4]
Markscheme

4.10 Moments (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.10 Moments (A-level only)

42 exam-style questions on WJEC A Level Maths 4.10 Moments (A-level only), covering 4.10.1 Moments (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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