$1.$ The bar is loaded as shown. For the cross section with points A$,$ B$,$ and C:

a$.$ Show that the normal and shear forces are Nx$=100$kN $($T$),$ Vy$=10$kN up$,$ and Vz$=20$kN down.

b$.$ Show that the net torque is Tx$=0\mathrm{.}9$kN$$m CW$.$

c$.$ Show that the bending moments are My$=-7$kN$$m and Mz$=-4$kN$$m$.$

d$.$ Find the transverse shear stress at A$.$

e$.$ Find the torsional shear stress at A$.$

f$.$ Find the normal stress due to the bending moment at A$.$

g$.$ Find the net normal stress at A using superposition.

h$.$ Find the net shear stress at A using superposition.