問題詳情
31.【圖13】BC鋼線直徑d=l/8吋，AB木支柱斷面為1平方吋，垂直力P=400 lb，B點之橫向位移為何？（鋼線彈性係數Es =30xl06psi，木材彈性係數Ew = 1.5xl06psi)
(A) 0.029 in
(B) 0.039 in
(C) 0.047 in
(D)0.057 in
(A) 0.029 in
(B) 0.039 in
(C) 0.047 in
(D)0.057 in
參考答案
答案：A
難度：困難0.272727
統計：A(3),B(1),C(3),D(0),E(0)
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