Ptt 大爆卦 | ip polar - 前往 https://engineering.stackexchange.com/questions/8064/what-is-the-difference-between-the-polar-moment-of-inertia-i-p-and-the-tors

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What is the difference between the Polar Moment of Inertia ...

Polar moment of inertia, Ip, is the resistance of a solid to be torsioned. However, rotational mass moment of inertia, J, is the inertia ...

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