Hello everyone, I have some difficulties to solve this question in my homework. 1. The problem statement, all variables and given/known data Picture http://img714.imageshack.us/img714/7953/picz.png [Broken] Rigid bar ACE connected to rod AB, CD, EF which have same material and surface area A. Calculate tension caused by force P in three rods. 2. Relevant equations Equation : sigma Fy = 0 sigma M =0 comparison between deflection in A, C, and E 3. The attempt at a solution I try to solve this question but I can't find sufficient equation to solve it. It have 4 equations and I only find 3. Please help me solve this.