[請益] 一些物理的式子
物理很多公式都是經過推倒出來的
可是有些基本的公式如F=ma (F= dP/dt ) 力矩=F X S
這些是單純的觀察後定義出來的嘛?
有辦法證明嘛?
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06/16 03:09, , 1F
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06/17 03:34, 20F