Figure $3$: Frame with UDL applied on it$\mathrm{.}3.$ Diligently look at Fig. $3,$ it shows a frame with UDL applied. Joint C is a fixed joint $($a weld$)$ and joint D is a pin$-$joint as is clear in the illustration.

$($a$)$ Calculate the degree of statical indeterminacy for the structure.

$($b$)$ Determine the internal shear force and bending moment distribution functions along the

beam AC$.$

$($c$)$ Determine the internal shear force and bending moment distribution functions along the

column BD$.$