In physics, moving objects have two characteristics relevant to understanding the dynamics of energy systems: inertia and momentum.
在物理学中，运动的物体有两个特征与理解能量系统动力学相关：惯性和动量。
First, don't indulge in despair, because despair leads to inertia and doing nothing means certain disaster.
第一，不要沉湎于绝望，因为绝望会导致懒惰，而无所作为就意味着灾难。
惯性是另一个阻碍。
Most of our banking arrangements are governed by inertia.
我们在安排大多数银行业务时都是靠惯性使然。
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。
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。
Once you get going, momentum builds up and inertia is no longer a factor.
一旦你行动起来，动力就会源源而来，惯性也不再成为问题了。
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。
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。
Now, because of cultural inertia, e-commerce is overturning traditional business models.
现在，由于文化惯性的原因，电子商务颠覆了传统的商业模式。
If I know the moment of inertia, then I know how much rotational kinetic energy there is.
若知道转动惯量我就能知道，转动动能是多少。
The poor, like anyone else, can also succumb to inertia, procrastination and self-sabotage.
穷人像其他任何人一样，也会向惰性、拖拉和自我否定之陋习低头。
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。
It's a daily lack of energy, a kind of weakness or inertia that pervades your whole body.
它可以是因为平日缺乏能量，或是一种整天浑身无力、倦怠的状态。
They have been where you are, and they have overcome their inertia and started moving forward.
他们和你起点一样，但他们能够克服惰性并持续前进。
Populations can rise while fertility declines because of inertia, which matters a lot in demography.
根据人口统计学，生育率降低时人口因为惯性仍然会增长。
On some of the biggest decisions in their lives, people succumb to inertia, ignorance or irresolution.
人在做出一生中一些最重大决定的时候会听任于惰性、无知或者犹豫不决。
The most popular nudge to do with pensions is auto-enrolment, which takes advantage of people’s inertia.
关于养老金最流行的“轻推一把”政策就是利用人们惰性的“自动登记”。
The most popular nudge to do with pensions is auto-enrolment, which takes advantage of people's inertia.
关于养老金最流行的“轻推一把”政策就是利用人们惰性的“自动登记”。
Such is the inertia of the climate system that far more dramatic changes have already become inevitable.
由于全球气候系统的惯性，我们将不可避免的面临更加富有戏剧性的气候变化。
In rotation, force becomes torque, mass becomes moment of inertia, and acceleration becomes angular acceleration.
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。
The inertia required for writing a blog is largely a side effect of not having the time to get into "publishing" mode.
写博客的惰性很大程度上是没时间进入“发布”模式的副作用。
Torque divided by moment of inertia is what will cause the angular acceleration, namely the derivative of angular velocity.
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.
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。
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