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8 ft PROBLEM 4 *4ftY E F Determine the support reactions and the force in member CE for the truss shown in the figure below:

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Answer #1

Son 87 444 300 lb RCx An С B 100ox 3 1000 lb 8tt 84 1000 sone = 1000X $ = 800.lb E Fx=0 Regt RFM & 600 lb - REJ F 809-300 - 5RC2 = 1750 lb Rfx = -1150 lb by section method 500 lb 3001b FEF 1150 * FFF FEC KO FECsino FEC FBC FBC C 1750 lb FEccoso 1000fyzo 500 + Fec Sino O Dor 500 E 8.991427 A 5000 8-94427 = F EC AN FECE 1118. 08375 lb compression ZO

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