So, that's -- does anyone know which classical law of motion that would be?

你们有谁知道这是,哪个经典运动定律吗？

麻省理工公开课 - 化学原理课程节选

I mean all those of you doing sports here-- and it's most of you in this room who are doing athletics, who go for a run, you rely on the law of gravity.

你们中喜欢运动的-,教室里多数人都做运动，跑步时需要万有引力定律。

哈佛公开课 - 幸福课课程节选

The way the physics works is you will find some laws of motion in mathematical form, you put in the initial conditions of whatever, you solve the equations, and the answer that comes, you have no choice.

在物理问题中,你可以用数学方法得到运动定律,你代入初始条件,然后解方程,获得答案,你别无选择

耶鲁公开课 - 基础物理课程节选