The composite shaft shown consists of a 5 -mm-thick brass jacket (
Gbrass^(2)=39GPa
) bonded to a 40 -mm-diameter steel core (
G_(g)
eel
=77.2GPa
) Know that the shaft is subjected to a
720*Nm
torque
◻
Determine the maximum shearing stress in the steel core. The maximum shearing stress in the steel core is
◻
MPa