$F=8kN$

$l=2\mathrm{.}2m$

$a=5cm$

$E=210$GPa

$=1\mathrm{.}2*{10}^{-5}\frac{1}{}C$

a$)$ Find maximum values of tensile and compressive stresses in the beam. Where do they occur $($which point$($s$)$ of which cross section$($s$))?$

b$)$ Determine the maximum curvature of the cantilever.

c$)$ What would the absolute rotation of the free $($right$)$ end of the cantilever be if the concentrated forces were replaced by a nonuniform thermal change $T_b=-25C($bottom$),T_t=+25C($top$)?$

d$)$ Draw the diagram of normal stresses if the concentrated forces are replaced by a moment equal to its plastic limit $($plastic load$-$bearing capacity$).$ Locate the neutral axis pertaining the plastic limit by giving its distances from the top edge.

$($Please Solve C and D part of the question$)$