V2EX torque

Torque

释义 Definition

Torque 指“扭矩/转矩”:使物体绕某一轴旋转的力矩,通常等于力与力臂(到转轴的垂直距离)的乘积。常用于机械、汽车发动机、自行车等语境。(此外在口语中偶尔也指“扭转/拧紧”的动作,但最常见的是物理量。)

发音 Pronunciation

/trk/

例句 Examples

The mechanic tightened the bolt to the correct torque.
修理工把螺栓拧到正确的扭矩。

At low speeds, an electric motor can deliver high torque, which helps the car accelerate smoothly even on steep hills.
在低速时,电动机也能输出很高的扭矩,这能帮助汽车即使在陡坡上也平稳加速。

词源 Etymology

Torque 来自拉丁语 torquere,意为“扭转、拧”。后来在科学与工程领域被用来表示“使物体发生转动的效应”,逐渐固定为“扭矩/转矩”的专门含义。

相关词 Related Words

文学作品中的用例 Literary Works

  • Jules Verne《海底两万里》Twenty Thousand Leagues Under the Seas(常见于译注或科普式描写中提及机械动力与“torque/turning force”概念)
  • H. G. Wells《时间机器》The Time Machine(涉及机械装置与动力描写时,相关术语在某些版本与注释中出现)
  • Arthur C. Clarke《与拉玛相会》Rendezvous with Rama(科幻工程语境中常讨论旋转、姿态控制等概念,相关版本/注释里可见 torque)
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