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This program simulation changes of load line of the boat when it carries different goods. The weight of the barrels are given (100 kg or 50 kg), but the weight of the elephant and the little boy (Cao Chong) are unknown. Do you know how to find out their weight?

此程式模擬將不同重量的物體放到船上時,船吃水線的變化。傳說三國時曹操想知道大象的重量而他兒子曹沖想出了以船秤象的故事,聰明的曹沖利用等量比較的觀念,把船當成超級大秤子,放上大象後記錄船的吃水線,移出大象再放入許多石塊,直到船的吃水線到達相同位置,搬出石塊秤出總重量而得知大象的重量,這也是一個應用浮力觀念解決問題的方式。你知道模擬中的小象與曹沖分別多重嗎?
 

 

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