eNotes: Mechanical Engineering
   



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27.8 TORSION


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If we consider a cylindrical shaft with torques applied it will tend to rotate an angle proportional to the torque.



We can find the torque exerted using simple stress equations for a plane cutting through the cylinder,



Next, consider the entire length of the cylinder and deformation of an element in the shaft.



Consider the simple example of the beam below,



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