A non-uniform rod PQ PQ\,PQ has length 6 m and mass 18 kg. The rod is supported by two light inextensible strings attached at P P\,P and RRR, where PR=5PR = 5PR=5 m.
Given that the tension in the string at P P\,P is twice the tension in the string at RRR.
Find the tension in the string at RRR.
Find the distance of the rod's centre of mass from PPP.
Practise Edexcel A Level Maths Moments with exam-style questions for A Level Maths. 18 questions covering Moments, Resultant Moments, Equilibrium, Centres of Mass, and Tilting, matched to the Edexcel A Level Maths (9MA0) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.