1.
There are three main laws of mechanics, or three laws of Newton.
力学有三大定律，即牛顿三定律。
2.
The law of momentum conservation could supplant Newton's third law.
动量守恒定律可以取代牛顿第三定律。
3.
We assume that the bodies obey Newton's Third Law.
设物体遵从牛顿第三定律。
4.
Newton's law of gravity
牛顿的万有引力定律
5.
Developments in physics since the time of Newton make the law of momentum conservation appear to be more fundamental than Newton's third law.
牛顿时代以来物理学的发展，使动量守恒定律显得比牛顿第三定律还重要。
6.
Theoretical Derivation to Newton's Second Law and the Law of Coulomb
库仑定律和牛顿第二定律的理论推导
7.
In this chapter we shall investigate some of the more subtle aspects of Newton's Second and Third Laws.
在这一章中，我们将研究牛顿第二和第三定律的较为精细的方面。
8.
Newton was a famous physicist, who discovered three important laws.
牛顿是著名的物理学家，他发现了三条重要的定律。
9.
You can demonstrate Newton's third law of motion with a garden hose.
你可以用一根浇花使用的胶皮软管来说明牛顿的第三运动定律。
10.
Newton conclusively established the law of gravity.
牛顿确定了万有引力的定律。
11.
Newton's laws of motion do not single out a direction of time.
牛顿运动定律不能确定时间的方向。
12.
Newtow conclusively established the law of gravity.
牛顿确定了万有引力定律。
13.
Newton's law of universal gravitation has been extremely useful.
牛顿的万有引力定律是极其有用的。
14.
Newton 's laws are not applicable to any case .
牛顿定律并不适合于任何情况。
15.
the branch of mechanics based on Newton's laws of motion.
基于牛顿运动定律的力学分支。
16.
Newton's law of motion forms the foundation of classical mechanics.
牛顿的运动定律构成传统力学的基础。
17.
a coordinate system in which Newton's first law of motion is valid.
牛顿第一运动定律成立的参照系统。
18.
Newton's law of universal gravitation is valid.
牛顿万有引力定律是正确的。