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範例:表面張力與靜力平衡

設水之液面在20oC時,恰可支撐一長為0.040公尺的縫衣針,問此針之重量為多少? ( 20oC時水的表面張力為72.8×10-3 Nt/m)


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Posted in 液體的界面現象.

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By admin – 2009 年 06 月 09 日

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