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Question No.1[25 marks]The Gambrel truss shown supports one side of a bridge; an identical truss supports the other side. Floor beams carry vehicle loads to the truss joints. Using the Method of Joints, calculate the forces in the truss members when a truck having a mass of 3500 kg is stopped in the middle of the bridge as shown. The centre of gravity of the truck is 1 metre in front of the rear wheels.2 mD3mH2m13m3m
Question No.1[25 marks]The Gambrel truss shown supports one side of a bridge; an identical truss supports the other side. Floor beams carry vehicle loads to the truss joints. Using the Method of Joints, calculate the forces in the truss members when a truck having a mass of 3500 kg is stopped in the middle of the bridge as shown. The centre of gravity of the truck is 1 metre in front of the rear wheels.2 mD3mH2m13m3m
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