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(Solution) - Figure P12 56 shows a truss that supports

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Figure P12.56 shows a truss that supports a downward force of 1 000 N applied at the point B. The truss has negligible weight. The piers at A and C are smooth.


(a) Apply the conditions of equilibrium to prove that nA = 366 N and nC = 634 N.


(b) Show that, because forces act on the light truss only at the hinge joints, each bar of the truss must exert on each hinge pin only a force along the length of that bar?a force of tension or compression.


(c) Find the force of tension or of compression in each of the three bars



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This question was answered on: Jul 11, 2017

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