Question: Question 3 : A shaft is 4 0 0 mm long. Over half its length it has a diameter of 3 0 mm , with

Question 3: A shaft is 400mm long. Over half its length it has a diameter of 30mm, with the
remainder having a diameter of 40mm. If the shaft is subjected to a torque of 200 Nm find the total
twist in the shaft and the maximum shear stress induced. G =80 GPa.

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