問題詳情
37 如下圖所示之桿件 AB 與 CD 具相同之撓曲剛度 EI,AB 之長度為 L0,而 CD 長度為 1.2 L0,則二者之最小臨界(挫屈)載重比 為:
(A) 0.69
(B) 1.42
(C) 2.05
(D) 2.78
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