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Question 1: The load is supported by the four 304 stainless stell wires that are connected to the rigid members AB and DC. Determine the angle of tilt of each member after the C (Newton) load is applied. The members were originally horizontal, and each wire has a cross-sectional area of 15 mm² E304=193 GP E Take: A= BE A meter 1 m 2 m 2495 N C= H B meter D 1 10.5 m 1 m 0.9 m B 1.5 m -0.5 m VON
Solution: 0.5m 1m FDE FCF 0.5 m 1 m 1.5m 0.5m FSG FAH B 1.5m 0.5 m Rage с Internal Forces in the wires : M.= 0; 2F8G -C(1.5)=0 F, = 0; F. +FBG-C=0 1871.25 FBG= FAH = N N 623.75 Mo = 0; 1.5FCF -0.5FAH = 0 EF, = 0; FDE +FCF - F = 0 FCF FDE 207.92 N N = 415.83
Displacement : 3D mm FDEL DE ADEE FCF.CF ACFE 10 ос mm H. Oy = mm 1 1.5 y = + c = = mm 11 tan a = a= Ans: 1500 841H FALAH mm 44E 84 = 0 + 4/8 = mm 4H 100 FBGL BG 83 - mm ABGE tan Ans: B 2000