A force P of magnitude 90 lb is applied to member ACDE, which is supported by a
Chapter 4, Problem 4.29(choose chapter or problem)
A force P of magnitude 90 lb is applied to member ACDE, which is supported by a frictionless pin at D and by the cable ABE. Since the cable passes over a small pulley at B, the tension may be assumed to be the same in portions AB and BE of the cable. For the case when a = 3 in., determine (a) the tension in the cable, (b) the reaction at D.
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