Consider the frame shown in $($Figure $1).$ Take E$=29(10^(3))$ksi$,$I$=145$ in$.^(4)$ for

each member. Use Castigliano's theorem.

Part A

Determine the horizontal displacement of the rocker at B measured rightward.

Express your answer using three significant figures. Enter positive value if the displacement is rightward and negative value if the displacement is leftward.

$\backslash$Delta $\_($B$)=$

in$.$

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Figure

$1$ of $1$