The truss shown below is made?from three pin-connected members having the?cross-sectional areas shown in the figure. Calculate the average normal stress developed ieach member when the truss is subjected to the load shown. State whether the stress is tensile?or compressive.

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413 m A C AAC = 350 mm² -1m- ABC=500mm² 2000 N METOD = 2 AAB 900 mm² B 413 m A C AAC = 350 mm² -1m- ABC=500mm² 2000 N METOD = 2 AAB 900 mm² B