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鐵塊受到的浮力F =鐵塊的體積×酒精的密度×當地重力加速度g 結果你自己用電腦代入計算就行了,注意“組織” 規律:物體受到的浮力=物體被液體淹沒部分的體積×液體的密度×當地重力加速度g 下次記得給懸賞分哦,不然只有熱心的兄弟才願意幫你!
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