Re: [猜謎] 一公斤的棉花跟鋼鐵
由於題目狀態不明,因此重新詮釋一下
假設題目為
質量一公斤棉花與鐵,那個量到的重量比較重?
答案當然是鐵
因為同質量的棉花體積較大
故在我們在一般測量環境下所排開的空氣體積較大,換句話說,受到的空氣浮力較大,方向為
離開地心,故與重力相減的結果,棉花量到的數值較小。
選我選我^_^
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※ 編輯: phy1234 (101.14.88.222), 06/11/2015 17:45:31
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