$32$ pts$)$ Ouestion $3$:

The solid shaft is fixed to the support at $C$ and subjected to the torsional loadings of $800N*m$ at free end $E$ and $300N*m$ at $F.$

$q,1.$ Calculate and plot the internal torsion diagram along the length of the solid shaft.

$2$

$pts$

Determine the shear stress at point is within the segment of $FC$ and point $B(B$ is within the segment of $EF).(12$ pts$)$

Sketch the shear stress on volume elements located at point A and point $B.(10$ pts