V2EX static friction

Static Friction

释义 Definition

静摩擦:当两个接触表面之间没有相对滑动趋势或尚未发生滑动时,阻止物体开始运动的摩擦力。其大小会随外力增大而增大,直到达到最大静摩擦力;超过该值后通常转为动摩擦。

发音 Pronunciation (IPA)

/sttk frkn/

例句 Examples

Static friction keeps the box from sliding on the ramp.
静摩擦使箱子不会在斜坡上滑动。

If the applied force exceeds the maximum static friction, the object will start to move and kinetic friction takes over.
如果施加的力超过最大静摩擦力,物体就会开始运动,并由动摩擦起主要作用。

词源 Etymology

static 来自拉丁语 staticus(“使站立的、静止的”),与“站立/静止”相关;friction 来自拉丁语 frictio(“摩擦、揉擦”),源于 fricare(“摩擦”)。合在一起,字面意思就是“静止状态下的摩擦”。

相关词 Related Words

文学作品 Literary Works

  • 《The Feynman Lectures on Physics》(Richard P. Feynman):在力学与摩擦的讨论中提及静摩擦与其阈值概念。
  • 《An Introduction to Mechanics》(Daniel Kleppner & Robert Kolenkow):教材体例中常用“static friction”说明受力分析与临界条件。
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