It goes back to the second law.

这就要回到第二定律。

youdao

I'm applying Newton's Second Law.

可以用牛顿第二定律。

youdao

So now I can write down Newton's Second Law.

于是可以使用牛顿第二定律。

youdao

If this doesn't happen then everything stagnates. But the second most important thing is that everyone must follow the law."

VOA: standard.2010.06.10

And that's also how people find ways to break the second law, because somehow they've messed up on what their system is.

这就说明了某些人是如何想到办法,“打破“第二定律的，因为他们以各种方式搞错了,他们的系统的定义。

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That would that would give rise to a perpetual motion machine, breaking of the second law. It can't happen.

否则就会使,得永动机出现，打破第二定律那是不可能的。

麻省理工公开课 - 热力学与动力学课程节选

If he could do this at no cost, the naughty demon would break the second law of thermodynamics.

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The "inexorable squares of mass" line brought out more than a few commenters, who pointed out Newton's Second Law doesn't work like that.

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