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漂浮時:F浮=G物,這是根據二力平衡得出的,此時G物=m物g,當中的m指的是物體自身重量 漂浮時:F浮=G排,這是根據阿基米德原理得出的,此時G排=m排g,當中的m指的是物體排開水的質量 其實,此時m物與m排剛好相等,也就是說排開的水的質量與物體的質量是相等的
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