Fig$\mathrm{.}2b=300mm,h=600mmd=500mm{A}_s=2200=400m{m}^2.(M=50kNm)$

$($Neutral axis, N$.$A$.)(\frac{?}{\text{b}\text{a}\text{r}}(y{)}_{c2})(\frac{?}{\text{b}\text{a}\text{r}}(y{)}_{t2}).$

# Hint : $E_c=25,000$MPa, $E_s=200,000$MPa $,)=\frac{E_s}{E_c}=(8(n{A}_s).$

$2(I_{y2}).$

# Hint: $2(I_s).$

$(M)({}_{c2})({}_{t2}).$

$()2$MPa $,.$