Question: Problem 1 Use the Virtual Work Method to determine the vertical deflection By at joint B of the truss shown. The Modulus of elasticity, E

Problem 1
Use the Virtual Work Method to determine the vertical deflection By at joint B of the truss shown.
The Modulus of elasticity, E =70 GPa, while the area of the cross section A is 1000 mm2 for all
members. The coefficient of thermal expansion is =1.25x10^-5 oC-1.
Problem 1 Use the Virtual Work Method to

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