機械力學-虛功計算 - 考試
By Kristin
at 2015-05-19T16:55
at 2015-05-19T16:55
Table of Contents
[課業] 國考課業相關問題,歷屆考題的討論,如學理觀念的釐清。
===========================板規宣導,ctrl+y可刪除 ============================
http://i.imgur.com/X7YoeYC.jpg
題目如上所示
在這裡我用虛功方式計算
定義桿垂直方向長x=4lcosθ δx=-4lsinθ
彈簧長度 x1=4lcosθ δx1=-4lsinθ
δW=ΣFr
Wδx-K(4lcosθ)δx1=0
這樣計算的結果不盡理想
請問哪裡錯了
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備註:刪除文章會進入垃圾桶並不會消失,所以自刪課業文絕對能查的到!!
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