I can't seem to throw off this feeling of inertia.
我好像无法摆脱这种无力的感觉。
This is the moment of inertia.
这是转动惯量。
或许是惰性使然。
So we know the moment of inertia.
我们得到转动惯量。
What is the moment of inertia of that?
它的转动惯量是多少呢？
Well, the moment of inertia is a boring job.
计算转动惯量，是一个枯燥的活。
You can calculate the moment of inertia.
可以计算其转动惯量。
Almost all moment of inertia is in this system.
几乎所有这个系统中的转动惯量。
Inthis certain degree is one kind of inertia.
这一定程度上是一种惰性。
You get a totally different moment of inertia.
你会得到完全不同的转动惯量。
They have a lot of inertia, their response time is slow.
它们惯性很大，反应太慢。
We got three times the moment of inertia about the center.
也就是，关于中心处转动惯量的3倍。
Galileo and Descartes replaced that with the idea of inertia.
伽利略和笛卡尔用惯性的概念将其取代。
All I have to know now is what is the moment of inertia about P.
我现在只需要知道，点p的转动惯量是多少。
So it is bMg divided by the moment of inertia about that point P.
也就是bMg除以,点P的转动惯量。
The car would move faster and faster down the hill because of inertia.
车子下山时会因为惯性而越来越快。
Let your choice be an explicit one, not just the result of inertia.
让您的选择成为一个明确的选择吧，而不只是保持过去的做法的结果。
For the disk, all we have to do now is calculate the moment of inertia.
对圆盘，我们只需要，算出转动惯量。
Well, we will try to compute now the moment of inertia about this point.
我们要去计算关于这个点的转动惯量。
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？
I have four objects here, and they all have different moments of inertia.
我这里有四个物体，它们的转动惯量也不同。
Severe losses can shock any investor out of inertia, often in destructive ways.
不过，惨痛的损失可以给投资者以震撼，让他们脱离这种惯性状态，而且这种外力通常是具备较强的破坏性的。
OK, so moment of inertia about the z axis so, what's the distance to the z axis?
关于绕z轴的转动惯量,到z轴的距离是多少？
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。
Needless to say, that the moment of inertia depends on what kind of object you have.
不用说，转动惯量取决于，你选择的物体。
How hard it is to spin something, on the other hand, is given by its moment of inertia.
旋转东西有多难，换着来讲的话，是跟转动惯量有关的。
It was Galileo who expressed what he called the law of inertia and I will read you his law.
伽利略在当时，提出惯性定律，他的观点是这样的。
But it's completely different, the moment of inertia, if you rotated it about this 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.
但它完全不同，转动惯量，如果将其绕这轴旋转。
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