W$1$

Divide this part into $3$ elements $($allocate $4$ nodes$).$ Node $1$ is attaching the celling and does not move at all. Take a screenshot of your monitor$/$pic of your notebook and submit it as an image file$($s$).$

$1)$ Create a free body diagram.

$2)$ Develop all equations using matlab and show matlab commands

$3)$ Make the stiffness matrix $\backslash (\backslash$mathrm$\{$K$\}^\{($G$)\}\backslash )$ and show the matrix equation using matlab