Question $4$

Torsion

Given $\backslash (\backslash$mathbf$\{$T$\}=1000\backslash )$ N$.$m$.$ Outer and inner diameters of the shaft $\backslash ($ A B $\backslash )$ are $60$ mm and $40$ mm respectively. The shaft is made of Structural Steel ASTM A$-36[$see Appendix $\backslash (1]\backslash ).$

a$)$ Determine the max and min shearing stress in structure $\backslash ($ A B $\backslash ).$

b$)$ Determine the angle of twist at end $\backslash ($ A $\backslash ).$