一題流力 - 土木

By John
at 2012-07-12T10:05
at 2012-07-12T10:05
Table of Contents
http://ppt.cc/~DGl (題目)
http://ppt.cc/wn2B (詳解)
這題我在書上看到是他把水等效成油,最後算出來F=19865(N)
但我後來想到把油等效成水來算,卻發現算出來F=15892.2(N)
照理說答案要一樣,不知道那邊算錯了?
--
http://ppt.cc/wn2B (詳解)
這題我在書上看到是他把水等效成油,最後算出來F=19865(N)
但我後來想到把油等效成水來算,卻發現算出來F=15892.2(N)
照理說答案要一樣,不知道那邊算錯了?
--
Tags:
土木
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