q1 a hollow shaft of a motor is supported with bearings and extends ho
Q1: A hollow shaft of a motor is supported with bearings and extends horizontally 50 mm out of the motor. The shaft has an outer diameter of 46 mm and thickness of 5 mm. A perpendicular load is acted downward at the suspending end. (a) How much is the torque to produce a maximum shear stress of 400 MPa? (b) Ignoring the shaft's own weight, how much is the load at the suspending end of the shaft (50 mm away from the bearings) that produces 300 MPa maximum normal stress on the shaft? (c) Draw the free body diagram of the shaft, sketch the moment and tranverse loading distribution. (d) Calculate the principal stresses and the angle of rotation to principal stresses for the maximum stress point of the shaft surface. (e) Sketch a Mohr's circle representation of the combined state of stress.
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