也就是bMg除以,点P的转动惯量。
So it is bMg divided by the moment of inertia about that point P.
例如，关于z轴的转动惯量,是∫∫∫δ
For example, the moment of inertia about the z-axis is dV the triple integral of x squared plus y squared density dV.
不用说，转动惯量取决于，你选择的物体。
Needless to say, that the moment of inertia depends on what kind of object you have.
若知道转动惯量我就能知道，转动动能是多少。
If I know the moment of inertia, then I know how much rotational kinetic energy there is.
关于绕z轴的转动惯量,到z轴的距离是多少？
OK, so moment of inertia about the z axis so, what's the distance to the z axis?
但它完全不同，转动惯量，如果将其绕这轴旋转。
But it's completely different, the moment of inertia, if you rotated it about this axis.
至于转动惯量，要求的其实是到旋转轴距离的平方。
For the moment of inertia, we want the square of a distance to the axis of rotation.
提出一种变等效转动惯量飞轮的设计方法。
The design methods of a flywheel with variable equivalent mass moment of inertial is presented in this paper.
我这里有四个物体，它们的转动惯量也不同。
I have four objects here, and they all have different moments of inertia.
这有点奇怪，关于x轴的转动惯量跟y有关。
It is slightly strange but I have y in inertia about the x-axis.
提出了一种变等效转动惯量飞轮的设计方法。
The design methods of a flywheel with variable equivalent mass moment of inertial are presented in.
提出了一种变等效转动惯量飞轮的设计方法。
The design methods of a flywheel with variable equivalent mass moment of inertial are presented in this paper.
旋转东西有多难，换着来讲的话，是跟转动惯量有关的。
How hard it is to spin something, on the other hand, is given by its moment of inertia.
扭矩除以转动惯量,就会引起角加速度，也就是角速度的导数。
Torque divided by moment of inertia is what will cause the angular acceleration, namely the derivative of angular velocity.
本文介绍了一种自动计算振动结构的转动惯量的方法。
A method for calculating the rotating inertia of vibration structure was recommendation.
质量块的转动惯量对于剪切失效具有不可忽略的影响。
It is also shown that the influence of the rotary inertia of the mass block on the shear failure is not negligible.
在旋转时，力变成力矩，质量变成转动惯量，加速度变成角加速度。
In rotation, force becomes torque, mass becomes moment of inertia, and acceleration becomes angular acceleration.
平台是一个耦合系统，表现在转动惯量耦合和力矩耦合。
Platform is a coupling system, i. e. the coupling of inertia moment and torque.
提出一种利用GMR传感器来检测物体转动惯量的方法。
This paper proposes a new method to detect inertia moment by GMR sensor.
主循环泵转动惯量的取值是停堆初期冷却阶段的关键问题。
The running inertia of the main coolant pump is the key problem of the primary phase.
我会让你们求一些，比较奇怪的曲线的转动惯量，这些你们都应该知道。
I will ask you for a moment of inertia for some weird line or something like that. OK, but these you should know.
本文给出了最大转动惯量轴与最小转动惯量轴相互垂直的证明。
In this paper, the axes of maximum and minimum moment of inertia is proved to be mutually perpendicular.
伺服电机有较长的过载能力，有较小的转动惯量和大的堵转转矩。
Servo motor has a long overload ability, have smaller rotary inertia and big plugging around moment.
现在我们有一个计算，旋转动能的方法，如果我们知道，怎样计算转动惯量。
So we now have a way of calculating the kinetic energy of rotation provided that we know how to calculate the moment of inertia.
伺服电机有较长的过载能力，有较小的转动惯量和大的堵转转矩。
Servo motor has a long overload ability, have smaller inertia and the big plugging around moment.
此法计算出的配重具有最小转动惯量，因此可降低机构的振动力矩。
The inertia counterweights determined by this method can reduce the shaking moments of spatial linkages.
我们要做的就是把物体切割成小块，然后把每个小块地转动惯量加起来。
What we will do is just cut our solid into little chunks and will sum this thing for each little piece.
证明了流体阻力的影响是不可忽略的，而圆板转动惯量的影响是较小的。
It is demonstrated that the influence of fluid resistance can not be neglected and the effect of moment of inertia of plate may be cancelled.
它很容易运用，可以运用于很多例子，为了得到，非完全对称情况下的，转动惯量。
And that's a very easy thing to apply, and that allows you now in many cases, to find the moment of inertia in situations which are not very symmetric.
它很容易运用，可以运用于很多例子，为了得到，非完全对称情况下的，转动惯量。
And that's a very easy thing to apply, and that allows you now in many cases, to find the moment of inertia in situations which are not very symmetric.
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