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PHYSICS: FINAL PAPER, August Entry Program 2009 Question 1 (5+10 marks) In a physics experiment, two masses m and M are connected together via some fric- tionless pulleys and massless wires. The larger mass M is released from rest. Assume that there is friction between the smaller mass and the surface of the slope. The system set-up is as shown in Figure 1. Figure 1: Question 1 (a) Draw all the forces acting on both the masses in separate free-body diagrams. (b) Use Newtons Laws to find an expression for the acceleration a for both the masses after mass M has fallen a distance of d, in terms of m, M, μ, g, θ and d.

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T- feng Mg dant ng indiae ete the momM fall a distomre din Mt m.

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