A-LevelMathematicsMechanicsOct/Nov 2023Paper 4 Q713 Marks
Particles A and B, of masses 2.4 kg and 3.3 kg respectively, are connected by a light inextensible string that passes over a smooth pulley which is fixed to the top of a rough plane. The plane makes an angle of θ° with horizontal ground. Particle A is on the plane and the section of the string between A and the pulley is parallel to a line of greatest slope of the plane. Particle B hangs vertically below the pulley and is 1 m above the ground [Figure 7.1]. The coefficient of friction between the plane and A is μ.
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