simple truss question....driving me crazy!! =/ 1. The problem statement, all variables and given/known data the question wants the forces in all the members of the truss. i have found that members bc and ef are zero force members...i cannot find the others. I am at a loss because ive tried all the methods i have been taught and the answers are not right. I NEED HELP!!! 2. Relevant equations 3. The attempt at a solution i have tried to take sum of forces in x prime (the AD axis), for members tbd and tcd....and also have tried doing tab and tda.