理化力與運動問題 - 運動
By Liam
at 2008-07-16T00:00
at 2008-07-16T00:00
Table of Contents
學了這章節後好挫敗,講義裡題目寫一頁槓一半…1 具有加速度的物體(甲)必受外力(乙)可為靜止(丙)必為運動狀態(丁)外力之合力可能為零(戊)外力之合力不為零。以上所述,哪些正確? A:甲乙戊2 平穩站在前進中公車內的乘客,當煞車時,乘客上身會稍向車頭方向前傾,這是由於下�
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運動
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By Lauren
at 2008-07-18T07:12
at 2008-07-18T07:12
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