A uniform beam AB AB\,AB of length 10 m is supported by a pivot at its midpoint. An object of mass 16 kg is placed at the end AAA. A second object of mass 20 kg is placed w w\,w m from the pivot to maintain horizontal equilibrium.
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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.