26. A 7m long beam of negligible mass is hanged horizontally and is supported at each end by vertical cables. A person of unknown weight is sitting on it somewhere between the cables. The tension in the left cable is 300 N, and that in the right cable is 400 N. How far is the person sitting from the LEFT cable?
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- In the figure below, a uniform beam of weight 420 N and length 2.8 m is suspended horizontally. On the left it is hinged to a wall; on the right is it supported by a cable bolted to the wall at distance D above the beam. The least tension that will snap the cable is 1200 N. Cable Beam (a) What value of D corresponds to that tension? (b) Give any value for D that won't snap the cable. mA uniform ladder 5.0 m long rests against a frictionless, vertical wall with its lower end 3.0 m from the wall. The ladder weighs 160 N. The coefficient of static friction between the foot of the ladder and the ground is 0.40. A man weighing 740 N climbs slowly up the ladder. (a) What is the maximum friction force, in Newtons, that the ground can exert on the ladder at its lower end? (b) What is the actual friction force, in Newtons, when the man has climbed 1.0 m along the ladder? (c) How far, in meters, along the ladder can the man climb before the ladder starts to slip?A uniform beam with a length of 2.50 meters and a mass of 85.0 kg rests on two ropes. A person of mass 65.0 kg is standing on the far right end of the beam. The beam is not moving.Calculate the tension in the rope on the left, in Newtons (N).Calculate the tension in the rope on the right, in Newtons (N).
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