流力問題 - 考試
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By Ethan
at 2013-08-22T00:26
at 2013-08-22T00:26
Table of Contents
[考題] 國考歷屆考題與考題觀念討論(書裡看到的選這個)請附上想法、出處
小弟一直對於動量矩有些困惑
王立宏的題目出處:http://ppt.cc/OBrg , http://ppt.cc/73fy
李祥的題目出處:http://ppt.cc/~f5t , http://ppt.cc/frH8
是這樣子的小弟認為第一小題為了要hold住灑水器所需施加的扭矩應該是跟灑水器反方向
所以T=12N-m應該是需加一個負號的(第三小題,亦同)..而王的書沒加負號應該是有些問題
但小弟又不太確定這兩人那一個是正確...
隨文附上muson的翻譯書(觀念):http://ppt.cc/ttx3
不知道我這樣的想法正不正確....
麻煩請高手不吝告知...感恩
--
小弟一直對於動量矩有些困惑
王立宏的題目出處:http://ppt.cc/OBrg , http://ppt.cc/73fy
李祥的題目出處:http://ppt.cc/~f5t , http://ppt.cc/frH8
是這樣子的小弟認為第一小題為了要hold住灑水器所需施加的扭矩應該是跟灑水器反方向
所以T=12N-m應該是需加一個負號的(第三小題,亦同)..而王的書沒加負號應該是有些問題
但小弟又不太確定這兩人那一個是正確...
隨文附上muson的翻譯書(觀念):http://ppt.cc/ttx3
不知道我這樣的想法正不正確....
麻煩請高手不吝告知...感恩
--
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考試
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By Ethan
at 2013-08-24T19:20
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