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7. The three suspender bars are made of A992 steel and have equal cross-sectional areas of 450 mm. Determine the average normal stress in

7. The three suspender bars are made of A992 steel and have equal cross-sectional areas of 450 mm. Determine the average normal stress in each bar if the rigid beam is subjected to the loading shown. (#4-55, p 154) B 2 m 50 kN D E 7 80 kN 1m .1m-1m-1m

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