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["표면장력이 클수록 물체가 갈라지기 어려워为啥?", "표면장력이 클수록 물체가 갈라지기 어려워为啥?", "표면장력은 액체 표면의 수축력을 말하며, 표면장력이 클수록 수축력이 커져서 표면에서 퍼져나가기 어려워. �固体的表面张力称为表面能,因为固体几乎无变形所以一般都体现在液体变化上上. 你可以可以把张力看作两个液体和固体的拉扯谁的张力大就向着谁变形当然一般可以这样方便理解实际上表面张力细分为极性部分分和色散部分那就复杂啦.""]

2019-02-22View Original

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为什么表面张力越大,物体越不容易开裂?
Reply #22019-03-05
简单说,表面张力是液体表面收缩的力,表面张力越大收缩力越大,所以越不容易在表面铺展。固体的表面张力称为表面能,因为固体几乎无形变,所以一般都体现在液体变化上。你可以把张力看作两个液体和固体的拉扯,谁张力大向着谁变形。当然一般可以这样方便理解,实际上表面张力细分为极性部分和色散部分,那就复杂啦。

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