Solve the below problem:
Q: An arch roof truss is loaded as shown. The length of all of the outer chords, AC, CE, ..., and OQ, is 1 m and the length of the webs AB, CD, EF, ..., and RQ is 0.4 m. Determine the force in members GI, GJ, and IJ. You must solve the problem step by step.You should include all the units which are needed to solve the given problem.
