The double symmetric I$-$beam shown below has a load applied through the shear centre at

an angle of $20$ to the $y-$axis, resulting in a maximum moment of $40$ kNm $($positive$,$ sagging

moment$).$

a$)$ Resolve the moment about the $x$ and $y$ axes.

b$)$ Determine the total stress at point A on the beam $($top$,$ right$-$hand corner of the

bottom flange$)$

c$)$ Determine the total stress at point B on the beam $($bottom$,$ left$-$hand corner of the

bottom flange$)$