A hollow shaft of outer radius 140 mm and inner radius 125 mm is subjected to an axial force and a torque, as shown in the figure below. a) Calculate the maximum normal and shearing stresses in the shaft. b) Draw Mohr's circle for this state of stress 35 kN - m 68 kN 68 kN

3- a. Determine the ditribution of shear stress in the following circular shafts that are subject to a maximum torque of 7.5 Nm by calculating the polar second moment of area. a) b) a) O b) O b. Using the previous answers; determine the angular deflection in both shafts. Both shafts are 20 cm long and the modulus of rigidity for the material is 60GN/m^2. O R R O R R = 5mm r = 3mm R = 5mm r = 3mm

A shaft composed of three segments and fastened to rigid supports. Determine the maximum shear stress developed in each segment. (Please don't skip any mathematical step and please show all the working)

A shaft is subjected to a torque of 28 kNm and a maximum bending moment of 25 kNm. The shaft is solid with a diameter of 125 mm. Using the Mohr circle method find the values for the principal stresses and themaximum shear stresses on the shaft i)Construct the Mohr circle on the graph paper provided. ii) Using the Mohr circle method find the values for the principal stresses and the maximum shear stresses on the shaft.iii) Show the orientations of the planes on which the principal stresses act on a rotatedelement