Question: Problem 2 . ( 4 0 points ) . Using the virtual work method, determine the horizontal displacement at joint D of the truss shown

Problem 2.(40 points). Using the virtual work method, determine the horizontal displacement at joint D of the truss shown below. Assume E=29000ksi. The cross-sectional area of each member is marked in the figure below.
Problem 2 . ( 4 0 points ) . Using the virtual

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