$(35$ pts$)$ The solid bar has a diameter of $80$ mm $.$ Determine the stress components that act at point A and show the results on a $3$D element located at this point.

$I=,m^4$

$Q_y=,m^3$

$Q_z=,m^3$

Internal forces and moments at cross section of point A :

$V_y=,kN$

$V_z=,kN$

$M_y=,kN*m$

$M_z=,kN*m$

Normal stress components for point A:

${}_x=$

${}_y=$

${}_z=$

Shear stress components for point A:

${}_{xy}=$

${}_{zx}=$

${}_{zy}=$