Question: Consider the truss shown in ( Figure 1 ) . ( A E ) is constant. Assume that ( A E

Consider the truss shown in (Figure 1).\( A E \) is constant. Assume that \( A E \) is in kN . Use the principle of virtual work to solve this problem.
Figure
Part A
Determine the vertical displacement of joint \( D \) measured downward.
Express your answer in terms of \( A \) and \( E \). Express the coefficients using three significant figures so the displacement is in meters. Enter a positive value if the displacement is downward and a negative value if the displacement is upward.
Request Answer
Consider the truss shown in ( Figure 1 ) . \ ( A

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