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常用三個方法: 1、重力差法(稱重法)F浮=G-F(G表示物體在空氣中的重力,F表示物體在液體中的重力) 2、公式法(阿基米德原理)F浮=G排=m排g=ρ液gV排 3、漂浮或懸浮條件法:即漂浮或懸浮時F浮=G物
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