Question # $4$

For the bar problem shown, determine the displacement $($nodes $1,2,$ and $3)$ and stress $($elements $1$

and $2).$ Here the bar is fixed at node $1,$ the width and thickness of the bar are $2-$in and $0\mathrm{.}125-$in

respectively, and $E=10\mathrm{.}4{10}^6$ psi.