“moment of inertia”的概念、定义、习题解题方法及翻译-物理辞典

单词	moment of inertia
释义	moment of inertia Symbol I. The moment of inertia of a massive body about an axis is the sum of all the products formed by multiplying the magnitude of each element of mass (δm) by the square of its distance (r) from the line, i.e. I_m = σr²δm . It is the analogue in rotational dynamics of mass in linear dynamics. The basic equation is T = Iα , where T is the torque causing angular acceleration α about the specified axis
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