Extracted text: Q.4) A truss consists of horizontal members (AC, CD, DB and EF) and vertical members (CE and DF) having length / each. The members AE, DE and BF are inclined at 45° to the horizontal. For the uniformly distributed load "p" per unit length on the member EF of the truss shown in figure given below, the force in the member CD is E. F (b) pl (c) 0 (d) ......... معادلة مخفية *T (E) No one of above write your answer