機械原理 - 考試

By Daniel 
at 2015-03-01T20:59
at 2015-03-01T20:59
Table of Contents
 99統測機械原理 
http://i.imgur.com/2ZfPzF7.jpg
答案:C
請問:
e=6-Nm / 10-Nm = -120/40
Nm=9
為何Nb與Na轉向同,齒數相除還要加負號。
感謝回答!
 
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    http://i.imgur.com/2ZfPzF7.jpg
答案:C
請問:
e=6-Nm / 10-Nm = -120/40
Nm=9
為何Nb與Na轉向同,齒數相除還要加負號。
感謝回答!
--
Sent from my Android
--
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        考試
        
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