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範例:靜止液體的壓力

將一塊質量20克面積50cm2的玻璃片,用手緊密的按在一只截面積為50cm2開口的玻璃圓筒下端,一同壓下20cm深水面下,放手時玻璃片並不落下,今在玻璃片上方置放一砝碼,欲使玻璃片落下,至少砝碼應為若干克?   【81北聯】


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Posted in 靜止的液體.

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By admin – 2009 年 06 月 01 日

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