I Need Help In This Mechanics Of Materials Class For Civil Engineering I Need To Solve This Question As Soon As

Shear stress in ith cylinder due to torsion,
τi = TDi/Ji = TDi/(2πtiDi3/8) = 4T/(πtiDi2)
Angle of twist, θi = TLi/GJi = 4TLi/GπtiDi3 = 127323.95Li/ GtiDi3
Normal stress in ith cylinder due to…Engineering Technology