What is the definition of torsional shear stress and how is it calculated?

Torsional shear stress, also known as torsional stress or shear stress, is a measure of the stress that is developed in a material when it is subjected to torsional loading, or twisting, about an axis. Torsional shear stress is typically expressed in units of stress, such as megapascals (MPa). To calculate the torsional shear stress …

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