問題詳情
21 如下圖所示之桿件由鋼（Est=210 GPa）與鋁（Eal=70 GPa）緊密結合而成，軸向力 P = 180 kN通過橫斷面 O 點而不使桿件彎曲，則 O 點至桿件下緣之距離 d 為何？ 
(A) 56.3 mm
(B) 46.3 mm
(C) 43.8 mm
(D) 37.5 mm
參考答案
無參考答案
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