Solve Problem 4.33 for a = 6 in.

PROBLEM 4.33 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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12 in 5 in. 7 in