central principal axis of inertia 中心惯性轴 ; [力] 中心惯性主轴
central axis of inertia 惯性中心轴
moment of inertia of axis 轴惯性矩
axis of least inertia 最小惯性轴
incidence angle of inertia axis 主惯性轴倾斜角
For the moment of inertia, we want the square of a distance to the axis of rotation.
至于转动惯量，要求的其实是到旋转轴距离的平方。
If we have a solid cylinder, then the moment of inertia about this axis Q through the center of mass, which I've called Q, equals 1/2 MR squared.
假如有一个实心圆柱体，轴心的时间惯量,通过这个物质的中心，等于1/2，MR的平方。
What is the moment of inertia for rotation of a rod about this axis?
关于这个轴的,旋转动动量是多少？
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