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What Is and Is Not Torsion

One definition of torsion is the act of twisting or turning. Would this apply to the following examples?

- helicopter blades normally rotating around

- knees and arms bending

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Hello and thank you for posting your question to Brainmass.

Since this question refers to physics, one might want to use the physical definition of torsion:

The stress or deformation caused when one end of an object is ...

Solution Summary

163 words to explain whether helicopter blades and bending limbs count as torsion.