問題詳情
20.某個樑截面如【圖 20】所示，該截面受到的剪力為 4 kip，請問最大的剪應力值為若干 psi？（提示：Qmax= 3.75(7.5✖10) =281.25 in3）
(A) 50 psi
(B) 45 psi
(C) 40 psi
(D) 35 psi 
參考答案
無參考答案
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