V2EX inertia

Inertia

释义 Definition

惯性;惰性:物体保持原来静止或匀速直线运动状态、除非受到外力作用而改变的性质(物理学);也常比喻缺乏改变的动力、事情因习惯或拖延而难以推进(引申义)。

发音 Pronunciation

/n/

例句 Examples

Inertia keeps the puck sliding until friction slows it down.
惯性会让冰球继续滑行,直到摩擦力把它减慢。

Because of institutional inertia, the reform took years to implement despite strong public support.
由于体制性的惰性,尽管公众强烈支持,这项改革仍花了数年才落实。

词源 Etymology

inertia 来自拉丁语 iners,意为“无行动的、懒散的”(in- 表示“不”,ars/act- 与“行动、技艺”相关)。最初多指“缺乏活动/能力”,后来在科学语境中固定为“物体抗拒运动状态改变的性质”,并进一步产生“组织或个人不愿改变”的比喻用法。

相关词 Related Words

文学作品 Literary Works

  • Principia Mathematica Isaac Newton(以经典力学框架讨论“惯性”相关概念)
  • A Brief History of Time Stephen Hawking(科普语境中谈及惯性与运动)
  • The Feynman Lectures on Physics Richard P. Feynman(讲解惯性、质量与力的关系)
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