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Chapter 4, Reserve Problem 4/019 Determine the force in each member of the loaded truss. Forces are positive if in tension, n

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1.97 7 11.7m My 1.7m B 107m .sm GF lsm El-3 Tang= 1.97 [B= 49-16° B 1.97m/ A ANA TAMTH Length of BG is hat given, assume Lap=From FB.D a point D FED Toe cast & fyzo - For sina - 560=0 FDE sin (40.8°) = -560 FDE = - 857-16 kg Esina FDE asboky compressEfyzo - Feb casus - FF =0 FCF =- FCB casus =-917.636 Confuso) For = - 648.866 kg 1 (compressive)* 4497. gada ohit # From F.B:D of point F { Fx=0 - FFBT FFA CUSB & FFE Causa to 4 FF Fresina FFE Fresca Frecas2 FFB flaging FEfx=0 - Foat For & FBc Casus = 0 FB4 = 396.23 + 917 636 Cosuso [Fou= 1045-1 kg (Tensiee) Hence Take g = 10 m/82 FAB= 648.867

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