NA 19.The end A of a uniform rod AB of weight W and of length a...

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NA 19.The end A of a uniform rod AB of weight W and of length a is hinged freely to a vertical wall. The end B of the rod is connected to point C on the wall by means of a light inextensible string of length a. C is at a distance b vertically above A. Show that the reaction of the hinge at A is " Ja? +8b? . Find also 4b the tension in the string. NA 19.The end A of a uniform rod AB of weight W and of length a is hinged freely to a vertical wall. The end B of the rod is connected to point C on the wall by means of a light inextensible string of length a. C is at a distance b vertically above A. Show that the reaction of the hinge at A is " Ja? +8b? . Find also 4b the tension in the string.