The stuff that people tend to add sometimes is to keep drawing the 10 Newtons that's acting on that.

有人经常凭空添加的力,总是把这个 10 牛的力硬加在这个物体上

耶鲁公开课 - 基础物理课程节选

Now I can measure that, because I pull it by one centimeter and I find the acceleration it exerts on a known mass.

现在就能测量这个力了,因为把弹簧拉伸 1 厘米,我就知道它让一个质量已知的物体产生的加速度

耶鲁公开课 - 基础物理课程节选

So, if we think about the force that occurs between a positively and a negatively charged particle, what we have is essentially a Coulomb force, so we can describe this as a force of attraction.

一个带负电的粒子之间，的作用力,这本质上就是库伦力，我们可以把它，描述成一个引力。

麻省理工公开课 - 化学原理课程节选

If you are like me, too difficult about getting places on time, you have to make an extra effort the way I do, and arrive on time.

如果你们像我一样，容易迟到，你们就要像我一样努把力，要准时上课。

麻省理工公开课 - 电影哲学课程节选

To know history, put on the god's knowledge with his power, would be to have access to history's meaning, and therefore to be more than merely subject to it, subject to its capricious and violating forces.

懂得历史，把上帝之智与力结合，才能接近历史的真实意义，否则只是受过历史的影响而已，被动无力地承受着历史的影响。

耶鲁公开课 - 现代诗歌课程节选

But cutting is something fearful and forceful; it's a kind of controlled violence. Frost takes it for granted that we will remember that the scythe is a conventional image for time, which harvests all of us in death.

但是割草是很有力的也是很可怕的;,这是一种控制中的蛮力，弗罗斯特认为,我们将把镰刀作为时代的产物记住，镰刀一直收获直到我们死去。

耶鲁公开课 - 现代诗歌课程节选

We think of force as the cause and a as the result or the effect.

我们把力看做诱因,把 a 看作结果或者效应

耶鲁公开课 - 基础物理课程节选