問題詳情
19 下圖所示桿件，自由端 a 點受 2P 力作用，a 點垂直向下伸長量為 
，試問 K 值為何？
(A)
(B) 1
(C)
(D)
，試問 K 值為何？ (A)
(B) 1
(C)
(D)
參考答案
答案：A
難度：非常簡單0.909091
統計：A(10),B(0),C(1),D(0),E(0)
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