Homework Answers
ΣMleft end=0
715*0.425 + 28.5*9.81*1 = 2*T1sin(40)
583.46 = 2*T1*0.643
T1 = 583.46/1.286
T1= 453.70 N
ΣFx=0
T3=T1cos40
= 453.70*cos40
= 453.70*0.766
= 347.53 N
ΣFy=0
-715 - 28.5*9.81 + T2 + T1sin40 = 0
T2 = (715 +28.5*9.81)- (453.7*0.643) = 702.85 N
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