In this question use g=9.8g = 9.8g=9.8 m s−2^{-2}−2.
A uniform rod AB AB\,AB of length 2.4 m and mass 6 kg is smoothly pivoted at the point CCC, where AC=0.9AC = 0.9AC=0.9 m.
A particle of mass m m\,m kg hangs from the rod at AAA, and the rod rests horizontally in equilibrium.
Find the value of mmm.
53 exam-style questions on AQA A Level Maths 3.4 S: Moments (A-level only), covering 3.4.1 Moments in static contexts (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.