Re: [問卦] 一公斤鋼鐵跟一公斤棉花那個比較重?消失
※ 引述《basterds (惡棍特工)》之銘言:
: 請問各位數理資優班的學長們
: 一公斤鋼鐵跟一公斤棉花
: 那個比較重?
質量是一樣
但重量要看引力
在地球上的話就一樣重
如果到月球
月球引力比較強
所以鋼鐵會比棉花量出來的更重一點
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