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K8 ft * 4 ft PROBLEM 4 Determine the support reactions and the force in member CE for the truss shown in the figure below: 30

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aft 케 oft Da zool E Rfx F FREY oft ។ L. х B Rc 1000x3 = 10 600 1ooo 1000x4 = 000 l Efx=0 Efyzo =) EMC=0 A 600-RA -RC=0 Ret Rftake joint Rry=joo FFE > Rox=1150 FCF Ź Fy=0 Pro Rey - fcf = 0 500 - FCF fef=500 put RCF in eq ② fce E-1•118 x 500 FCE = -559

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