摩擦力方向不一定與運動方向相反...?(高一物理) - 運動
By Wallis
at 2006-08-16T00:00
at 2006-08-16T00:00
Table of Contents
書裡有一段話...磨擦力之方向相對於兩接觸面必與運動(或企圖運動)方向相反,『但相對於其他座標系,則磨擦力方向不一定與運動方向相反。』『』內那一段話我看不懂>\"<什麼意思押~~??拜託大大幫幫忙囉~please>\"<
Tags:
運動
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By Margaret
at 2006-08-17T14:46
at 2006-08-17T14:46
By Emma
at 2006-08-17T11:49
at 2006-08-17T11:49
By Freda
at 2006-08-17T04:14
at 2006-08-17T04:14
By Tracy
at 2006-08-20T00:59
at 2006-08-20T00:59
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