$($b$)$ The $\backslash (20-\backslash$mathrm$\{$kN$\}\backslash )$ vertical foree acts at the end of a cable that is wrapped around the steel bur $($Figure QIb$).$ At point A:

i$.$ Determine the state of stress and draw the stress element in the $\backslash ($ x$-$y $\backslash )$ direction.

ii$.$ Calculate and draw the principal stress

iii. Calculate and draw the in$-$plane shear stress maximum