1. The problem statement, all variables and given/known data A force P of magnitude 90 lb is applied to member ACE, 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. 2. Relevant equations ƩM=0 ƩF_x=0 ƩF_y=0 3. The attempt at a solution I am stuck on part a). Here is my equilibrium equation: ƩM_D=90*9 + T*3 - (5/13)*(9)*T - (12/13)*(7)*T = 0 Solving for T I get the wrong answer.