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3.6 Rigid Bodies (A-level only)

3.6 Rigid Bodies (A-level only)

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Question 6
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A non-uniform plank XY XY\,XY has length 4 m and mass 10 kg. The plank is held in a horizontal position by two vertical light inextensible ropes attached at X X\,X and ZZZ, where XZ=3XZ = 3XZ=3 m.

Given that the tension in the rope at X X\,X is four times the tension in the rope at ZZZ.

a.

Find the tension in the rope at ZZZ.

[2]
b.

Find the distance of the centre of mass from XXX.

[4]
Markscheme

3.6 Rigid Bodies (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.6 Rigid Bodies (A-level only)

56 exam-style questions on OCR (MEI) A Level Maths 3.6 Rigid Bodies (A-level only), covering 3.6.1 Moment of a force (A-level only), 3.6.2 Equilibrium of a rigid body (A-level only), 3.6.3 Turning effect of forces (A-level only), and 3.6.4 Weight acting through a point (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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