Intuition suggests that twisting a cylinder will shorten it, but here it is shown that for a cylinder of an incompressible material, like rubber, twisting will always produce elongation.

中文翻译：

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坡印廷效应

直觉表明，扭转圆柱体会缩短它，但这里表明，对于不可压缩材料（如橡胶）的圆柱体，扭转总是会产生伸长率。