Question

5. TRUSS Determine the force in each member of the truss shown below. There is a pin at A and a rocker at E. State whether eaſõda Ž= S dA Sõda j = S dA ΣΧΑ ž= ΣΑ ΣΥΑ ΣΑ y = 1x = Jy2d dlx = dīxı + ģ2dA 1y = 5 x?da dly = dĪy, + t2dA Additonal EquationsA = =žbh Ix = انا | پی 1 -bh3 36 1 1 2 ly = -hb3 36 A = nr 2 Ix 1 ar4 4. 1 X ly = -ar4 4 у A = r2 1x = ar* 1 1 X .4 ly = TO 4

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Answer #1

given ISON. . . 2OON A RAH B 8m 125N , RA o om om & x RE At equilibrium Eforizontal force =0 RAH + 1500 RAH =250N Evertical fAt joint a (method of joints) FAC FAB 요 8 6 RA tano = 8 6 FACXeno. O=53.1301 RA RAH - FAB FACK Go e o RAT FACKaino RA fac = -At Joint с 150 for colo FAC Coro FCR X eing FCB FACX&ino - FACX Core - 150+ Foo x coro FeR- FAC- 150 = - 203.125 CORS Fo= 203- fo = 125+ FREX tino. FB = FCB-120 fino = 125-ler sino FBE =0 FAB FBD + ABEX CORO. FAB= ABO FBO=121.8749N. At Joint D Fox RiMember force Nature AC 46.875 Tengile. Tenaile AB 12). 9949 CO 203.128 compressine. Tensile . CB 125 BG BD 121. Stuq Teneite.

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