$7\mathrm{.}6$ Resultant Internal Loadings $(3-$D$)$

The shaft is supported at its ends by two bearings A and $B,$ and is subjected to the forces applied to the pulleys fixed to the shaft. Determine the resultant internal loadings acting on the cross section located at point $C.$

The $300-$N forces act in the $-z$ direction, and the $500-N$ force act in the $+x$ directio The journal bearings at A and $B$ exert onl $x$ and $z$ components of force on the shaft

Hint $1$: This problem is $3-$D$,$ so you'll get SIX unknowns to solve forces, and $x,y,z$ couples$)$ at the cross$-$section, which you have to COMBINE into $N,V,M$ and $T.$

Hint $2$: I don't want you to mess up the "Step $1"($old statics$)$ step before you even get to the new material, so check that you calculated $A_z=360N,$ or $B_z=240N.$