Problem 4.4 The uniform, horizontal beam shown in Fig. 4.51 is hinged to the wall at point A and supported by a cable attached to the beam at point C. Point C also represents the center of gravity of the beam. At the other end, the cable is attached to the wall so that it makes an angle 0 = 68° with the horizontal. If the length of the beam is 1= 4 m and the weight of the beam is W = 400 N, calculate the tension T in the cable and components of the reaction force on the beam at point A. レ C B Answers: T = 431 N RAX = 162 N (→) RAy = 0 Fig. 4.51 Problem 4.4
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