1.

Displacement Coordinate for a beam are shown in the given figure. The stiffness matrix is given by:

A. \(\left( {\begin{array}{*{20}{c}} {3EI}&{EI}\\ {EI}&{2EI} \end{array}} \right)\)
B. \(\left( {\begin{array}{*{20}{c}} {3EI}&{ - 0.5EI}\\ { - 0.5EI}&{2EI} \end{array}} \right)\)
C. \(\left( {\begin{array}{*{20}{c}} {3EI}&0\\ 0&{2EI} \end{array}} \right)\)
D. \(\left( {\begin{array}{*{20}{c}} {3EI}&{0.5EI}\\ {0.5EI}&{2EI} \end{array}} \right)\)
Answer» E.


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