表面张力,请解释下列现象:1将硬币放在水面上,稍微扰动水面,硬币可在水面漂动,但总是停留在中间,如果在烧杯中加水直到将要溢出时,硬币却总是停在边缘了.2将一根洗干净的玻璃管插入水
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![表面张力,请解释下列现象:1将硬币放在水面上,稍微扰动水面,硬币可在水面漂动,但总是停留在中间,如果在烧杯中加水直到将要溢出时,硬币却总是停在边缘了.2将一根洗干净的玻璃管插入水](/uploads/image/z/3475869-69-9.jpg?t=%E8%A1%A8%E9%9D%A2%E5%BC%A0%E5%8A%9B%2C%E8%AF%B7%E8%A7%A3%E9%87%8A%E4%B8%8B%E5%88%97%E7%8E%B0%E8%B1%A1%EF%BC%9A1%E5%B0%86%E7%A1%AC%E5%B8%81%E6%94%BE%E5%9C%A8%E6%B0%B4%E9%9D%A2%E4%B8%8A%2C%E7%A8%8D%E5%BE%AE%E6%89%B0%E5%8A%A8%E6%B0%B4%E9%9D%A2%2C%E7%A1%AC%E5%B8%81%E5%8F%AF%E5%9C%A8%E6%B0%B4%E9%9D%A2%E6%BC%82%E5%8A%A8%2C%E4%BD%86%E6%80%BB%E6%98%AF%E5%81%9C%E7%95%99%E5%9C%A8%E4%B8%AD%E9%97%B4%2C%E5%A6%82%E6%9E%9C%E5%9C%A8%E7%83%A7%E6%9D%AF%E4%B8%AD%E5%8A%A0%E6%B0%B4%E7%9B%B4%E5%88%B0%E5%B0%86%E8%A6%81%E6%BA%A2%E5%87%BA%E6%97%B6%2C%E7%A1%AC%E5%B8%81%E5%8D%B4%E6%80%BB%E6%98%AF%E5%81%9C%E5%9C%A8%E8%BE%B9%E7%BC%98%E4%BA%86.2%E5%B0%86%E4%B8%80%E6%A0%B9%E6%B4%97%E5%B9%B2%E5%87%80%E7%9A%84%E7%8E%BB%E7%92%83%E7%AE%A1%E6%8F%92%E5%85%A5%E6%B0%B4)
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