Question $3$ or $10$

The $20-$mm$-$diameter A$-36$ steel shaft is subjected to the torques shown. Determinc

the angle of twist of the end $B$ and the maximum shear stress developed in the shaft.

$G_{A-36}=75$ GPA.

Tmax

$=\{\begin{array}{c}\frac{TL}{JG}\\ {}_{\text{m}\text{a}\text{x}}^{}=\frac{TC}{J}\frac{J}{}\frac{}{2}{r}_{\text{o}\text{r}\text{d}}^4\end{array}$

$10$

B

$47$ i

$30N*m$

$600mm$

$20N*m$

$800mm$

$60$