問題詳情
12 由兩種不同彈性材料組成之內外雙層正方形斷面軸力桿件固定於 A、B 兩端（如圖所示）。外層材料之各邊長為 20 cm，楊氏模數為 50 GPa；內層材料之各邊長為 12 cm，楊氏模數為 100 GPa。現在桿中 C 斷面點施加一 60 kN 之力，則 A、B 兩端水平方向之反力 HA、HB之絕對值分別為： 
(A) H A = 20 kN 、 HB = 40 kN
(B) H A = 25 kN 、 HB = 35 kN
(C) H A = 35 kN 、 HB = 25 kN
(D) H A = 40 kN 、 HB = 20 kN
(A) H A = 20 kN 、 HB = 40 kN
(B) H A = 25 kN 、 HB = 35 kN
(C) H A = 35 kN 、 HB = 25 kN
(D) H A = 40 kN 、 HB = 20 kN
參考答案
答案：C
難度：非常困難0
統計：A(1),B(2),C(0),D(0),E(0)
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