The bolted coupling in Figure 5 is subject to a torque equal to 411Nm.

The solid shaft has a diameter of 38mm. The PCD of the coupling bolts is 62mm.

The bolt diamter is 5mm, and the yield strength of the bolt and shaft is 112.46MPa. Using clockwise positive polar co-ordinates:

Determine the Polar Moment of Area of the shaft (Answer in mm^4 only).

Determine the von Mises Shear Strength (Answer in GPa only).

Determine the Shear Stress on the central shaft (MPa).

Determine the Factor of Safety for the central shaft.

Determine the minimum number of bolts required to transmit the torque without failing (roundup).

Select the 5 correct answers from the list below/: