It's one thing to plug in all the numbers and say, "I know Newton's laws and I know how they work."

我们平时只是把数字代进公式,然后说,"我懂牛顿定律,也知道怎么使用"

耶鲁公开课 - 基础物理课程节选

You divide and you find it's 9 and you say, "Okay, I know what to do with Newton's laws."

除一下,会得到 9,然后你说,"好了,我会用牛顿定律了"

耶鲁公开课 - 基础物理课程节选

In fact, my program crashes because I end up trying to divide by zero, a really bad thing. Hint: if you implement Newton's method, do not make your first guess zero.

我下一步都没法开始,实际上，我的程序会崩溃，因为我试着去除0了，真糟糕,提示你：如果你想用牛顿的方法，第一个猜想数别设为0。

麻省理工公开课 - 计算机科学及编程导论课程节选

Suppose Newton comes to you and says, "I have this great law, but I don't want to publish it under my name.

假如牛顿对你说,"我发现了这个伟大的定律,但我不想以我的名义发表

耶鲁公开课 - 基础物理课程节选

It's the 10 Newtons acting on it, because I know the 10 Newton is pushing me and I'm going to feel it even if I'm here.

他们认为这 10 牛的力作用在了物体上,因为这个力在推着物体前进,物体能感觉到的,即使没有直接接触

耶鲁公开课 - 基础物理课程节选

First statement by Newton-- I don't feel like writing it down.

牛顿第一定律,我不想写出来

耶鲁公开课 - 基础物理课程节选

I give you Newton's law and say, "Good luck."

我告诉你牛顿定律,然后说,"祝你好运"

耶鲁公开课 - 基础物理课程节选

I want you to tell me, is Newton right?

我要你告诉我,牛顿说得对吗

耶鲁公开课 - 基础物理课程节选