問題詳情
25 圖示水平剛性桿 ABD 由鋼纜 CB 與 CD 支撐於 C 點，P=4 kN 作用於距 A 點 3 m 處，計算CD 纜繩的張力為何？ 
(A) 4.17 kN
(B) 2.27 kN
(C) 3.07 kN
(D) 3.56 kN
參考答案
無參考答案
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