The maximum internal torque in the pipe equals to 70 Nm 90 N

The maximum internal torque in the pipe equals to: 70 N.m 90 N.m 40 N.m 100 N.m The polar moment of inertia (J) is: 7.95 x 10^-8 m^4 1.74 x 10^-8 m^4 3.47 x 10^8 m^4 3.98 x 10^-8 m^4 The absolute maximum shear stress developed in the pipe: 26.26 MPa 30.35 MPa 13.23 MPa 11.47 MPa The angle of twist of the end A with respect to B:

Solution

we need information regarding, material, diameter of rod in problem.