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 each member is in tension or compression. 150 N 200 N 8 m B -X 125 N 8 m e 6 m 6 m

Answer 1

Soin free body diagram.b C. >150N &m 200N 7 8m (SON=AX Ay=-37.50 125N d E K-om >kom. Ey = - 362.5 N Z fps Ax=150N Fy = 0 Ayt Ey = 200+125 Ay+ Ey = 325 ENACO 125X6 + 200812 +150x8 = Ey x12 Ey = 362.5 N AY - 37.5 N Atjoint L Art Joint ® ! 40]? FAC FED tono 0010 00 FAB ISON 10=53.13 362.5 N -37.5N | FEB=0 FED=-36215 N FAC sins3-13-37.5=0 FACE 46.875N) Fac (6553-13+ FAR = 156 TFAB=121.870

At joind B → Ad Joint of Foll FBC 200 N 43 FBD A FBA FOB 125N -362.5 Foc tin 53.13 = 200-362.5 FBA = FBp = 121.87 N FBC=1250 For =-203125 N FOLC0853:13 + FOB = 0 FOB = 127.87 N

Answers Ay = 150N, Ay = 37.5N Ey = 36P5N ED: 203.125N / Compression ) FEB=0 FAR = 121.97 N ( Tersim) FAC 46.875 N(Tonsion) FBC = 125 N (Tension) 121:87 N (Tondes) FED = 362.5 N (romprestly) FBD-