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3.4 Moments (A-level only)

3.4 Moments (A-level only)

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Question 6

A uniform plank AB AB\,AB has length 6 m and mass 20 kg. It is supported horizontally by a pivot PPP, where AP=2.5AP=2.5AP=2.5 m. A load of mass m m\,m kg is attached at A A\,A and the plank is in equilibrium.

Find mmm.

[3]
Markscheme

3.4 Moments (A-level only) Questions

  1. A Level
  2. /Maths
  3. /3.4 Moments (A-level only)

53 exam-style questions on OCR A Level Maths 3.4 Moments (A-level only), covering 3.4.1 Moment of a force (A-level only), 3.4.2 Equilibrium of a rigid body (A-level only), and 3.4.3 Moments in static contexts (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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