理化-萬有引力、圓周運動 - 運動
By Megan
at 2005-10-10T00:00
at 2005-10-10T00:00
Table of Contents
1.地球處於持續不斷的自轉中 故你在地面上所需之向心力F 和所受的地球引力W 二者比較起來? A F大於W B F=WC F小於WD 無法比較2.為什麼以等速率圓周運動的小球 所受的合力不為零?...Showmore
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運動
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By Jessica
at 2005-10-10T05:40
at 2005-10-10T05:40
By Aaliyah
at 2005-10-14T07:52
at 2005-10-14T07:52
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