牛頓運動定律的問題??? - 運動
By Skylar Davis
at 2005-08-31T00:00
at 2005-08-31T00:00
Table of Contents
我們都知道牛頓第2運動定律 F = m x a但是如果加速度為0 例如火箭在太空中以等速運動那 a 就為0任何數乘0都是0那F為0嗎?那他以等速運動撞到東西(靜止的)不是就沒有力了它會怎麼樣?停止?! 撞擊後損毀?...Showmore
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運動
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By Hedy
at 2005-08-31T09:11
at 2005-08-31T09:11
By Gilbert
at 2005-09-04T02:52
at 2005-09-04T02:52
By Robert
at 2005-09-02T09:28
at 2005-09-02T09:28
By Hedy
at 2005-09-04T02:43
at 2005-09-04T02:43
By Sierra Rose
at 2005-09-03T06:02
at 2005-09-03T06:02
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