Answer to Question #61861 in Mechanics | Relativity for Blessed

Question

1. The rope shown in the figure attached hereto is wound around a cylinder of of mass 4.0 kg, radius 10cm and I= 0020kgm2 , where I is the moment of inertia about an axis along the cylinder axis. If the cylinder rolls without slipping, what the linear acceleration of its centre of mass?

2. Three particles of masses m1=1.2kg, m2=2.5kg and m3=3.4kg
are at the vertices of an equilateral triangle of side a = 140 cm. Calculate the centre of mass of the system.