國營101職員應用力學考題 - 考試
By Ursula
at 2014-07-04T21:01
at 2014-07-04T21:01
Table of Contents
各位版友好
想請教101國營職員應用力學中的一題
題目如以下連結所示
http://ppt.cc/Wvn2
答案是B
我不曉得要怎麼解釋看圖
我一開始寫的答案是A
不曉得這題正負號要怎麼看
覺得這題不難可是就是想不懂
還請幫忙解答
感謝
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考試
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