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2. A particle of weight W Newtons, is held in equilibrium on a rough inclined plane by a horizontal force of 4N. The line of

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2. A particle of weight W Newtons, is held in equilibrium on a rough inclined plane by a horizontal force of 4N. The line of greatest slope is inclined to the horizontal at an angle of a as shown in Fig. Q2, for which tan (a) = 3/4. It is known that the coefficient of friction, u, between the particle and the line of greatest slope is 0.5. By drawing the free body diagram and labeling all forces in the free body diagram, calculate the weight, W, of the particle and the normal (reaction) force, R exerted by the line of greatest slope to the particle. [8 marks] 4 N OC Fig. Q2

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