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ROBLEMS 4.26 The homogeneous bar AB weighs 25 lb. Determine the magnitudes of the forces acting on the bar at A and B. Neglect friction. 160 lb/ft .4 12 ft Figure P4.26 Figure P4.27 Figure P4.28 4.27 Determine the smallest horizontal force P that would push the homogeneous cylinder of weight Wover the curb. Neglect friction. 4.28 The homogeneous beam AB weighing 800 lb carries the distributed load shown. Find the support reactions at A and B 4.29 The homogeneous 40-kg bar ABC is held in position by a horizontal rope 30° attached to end C. Neglecting friction, determine the tension in the rope. gure P4.29 4.30 The horizontal force Pis applied to the handle of the puller. Determine the resulting tension T in the chain in terms of P

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