V2EX tidal force

Tidal Force

释义 Definition

潮汐力:由于一个天体对另一个天体不同部位的引力大小不均匀(引力梯度)而产生的拉伸与挤压效应,常见于地球月球、地球太阳系统;它会导致海洋潮汐,也会引起天体形变、潮汐锁定,极端情况下可造成“潮汐撕裂”。

发音 Pronunciation (IPA)

/tadl frs/

例句 Examples

The Moon’s tidal force causes the ocean tides.
月球的潮汐力会引起海洋潮汐。

Near a black hole, tidal forces can stretch an object and tear it apart.
在黑洞附近,潮汐力可能会把物体拉伸并撕裂。

词源 Etymology

tidal 来自 tide(潮汐),与“时间、周期性涨落”相关;force 来自法语 force,源于拉丁语 fortis(强壮的)。合在一起,tidal force 字面义为“与潮汐相关的力”,在物理与天文学中专指由引力差异造成的形变效应。

相关词 Related Words

文学与作品 Literary Works

  • Stephen Hawking, A Brief History of Time(《时间简史》):讨论强引力环境与黑洞附近的潮汐效应时常涉及“tidal forces”的表述。
  • Kip Thorne, Black Holes and Time Warps:以通俗方式解释黑洞与极端潮汐力等现象。
  • Richard P. Feynman, The Feynman Lectures on Physics:在引力与天体力学相关章节中会提及与潮汐相关的引力差异(潮汐效应/潮汐力)。
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