Given $\backslash$sigma xx $=3$ MPa, $\backslash$sigma yy $=1$ MPa, and $\backslash$sigma xy $=2$ MPa, find the values of the principal stresses $($s $1,$ s$2)$

and the maximum shear stress $($s min$/$max $).$ What are the associated values of $\backslash$alpha p and $\backslash$alpha s $?$ Draw a

$2-$D representation of the system at a $=0,$ a $=$ a p and a $=$ a s and include normal and shear

stresses for each.