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Master Member
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引用:
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作者Doubla A
鋼蛋不是用光束槍嗎
牛頓第二定律：F=ma，F外力，m質量，a加速度
牛頓第三定律：力總是成對出現的，一個作用力必定伴隨一個反作用力
子彈雖然質量小,但是加速度快產生的反作用力也大
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F=MA 這是算作用在物體上的加速度所需的力吧?
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