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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)
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)
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)
上一篇 :
4. _______ the number of books she’s carrying under her arm, she looks like a student.(A) Provided t
下一篇 :
2. 下列有關「酯類與脂肪」的敘述,何者錯誤? (A)脂肪酸與醇反應可產生酯 (B)甘油與脂肪酸反應可生成甘油酯 (C)石蠟是一種酯類化合物 (D)油脂在氫氧化鈉溶液中加熱,可水解為脂肪酸鈉。
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