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The document discusses problems involving determining axial forces in truss members. Problem 6.7 describes a steel truss bridge with loads applied at various points. The axial forces in members AB, BC, BD, and BE are calculated. Problem 6.8 builds on 6.7 by determining the largest tensile and compressive forces that occur in the bridge truss members. Problem 6.9 considers changing the bridge design to a Howe truss and calculating the resulting largest tensile and compressive forces.




























































































































