A uniform rod AB AB\,AB has length 6 m and mass 18 kg. It rests horizontally on supports at C C\,C and DDD, where AC=1AC = 1AC=1 m and AD=5AD = 5AD=5 m. A load of mass 12 kg is placed at AAA.
Use g=9.8 m s−2g = 9.8\text{ m s}^{-2}g=9.8 m s−2.
Find the magnitude of the reaction at each support.
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.