Example $5$: $($non$-$uniform cross section$)$

Calculate the ${}_0$ and the $c$ for the following statically determinate cantilever beam $,$solve using Mohr's theorem

Use $550550$ section $($AB$)$

Use $500550$ section $($BD$)$

$E_{(40\text{M}\text{P}\text{a})}=28$GPa