V2EX newtonian mechanics

Newtonian Mechanics

Definition / 定义

牛顿力学:以艾萨克牛顿的运动定律和万有引力定律为基础的经典力学体系,用来描述日常尺度、低速(远低于光速)物体的运动与受力关系。(在高速、微观尺度等情况下需要相对论与量子理论等。)

Pronunciation / 发音

/nutonin mknks/
/njutnin mknks/

Examples / 例句

Newtonian mechanics explains why a ball falls to the ground.
牛顿力学解释了为什么球会落到地面上。

Although Newtonian mechanics works well for everyday engineering, it breaks down when speeds approach the speed of light.
尽管牛顿力学在日常工程中很有效,但当速度接近光速时它就不再适用。

Etymology / 词源

Newtonian 来自人名 Newton(牛顿) 加后缀 -ian(表示“与……有关的/……的”);mechanics 源自希腊语词根,指“机器/技巧/工艺”相关的学问,后来专指研究力与运动的学科。合起来表示“牛顿体系下的力学(经典力学的一部分)”。

Related Words / 相关词

Literary Works / 文学作品

  • Isaac Newton, Philosophi Naturalis Principia Mathematica(《自然哲学的数学原理》):牛顿力学的奠基性著作,系统提出运动定律与万有引力。
  • Richard P. Feynman, The Feynman Lectures on Physics(《费曼物理学讲义》):用大量直观推导讲解包含牛顿力学在内的基础物理。
  • Herbert Goldstein, Classical Mechanics(《经典力学》):高等经典力学教材,讨论牛顿形式及其与拉格朗日/哈密顿形式的关系。
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