单词newton-s-law-of-motion
Newton"s law of motion as applied to the point mass is the well-known vector equation: F=ma.
牛顿运动定律应用于质点时就得到这样一个著名的向量方程式：
This subject was first soundly established in the 17th century on the basis of the axiom usually known as Newton"s law of motion .
这门学科最初是在17世纪根据通常称为牛顿运动定律的原理完整地建立起来的。
Newton"s law of motion and its application
牛顿运动定律及其应用
content of Newton"s law of motion
一、牛顿运动定律的内容