問題詳情
21.如圖(九)所示之方形桿件,mn 為桿件斷面,其斷面積為 100 mm2,在軸向承受 P = 8000 N之拉力,則斜截面上 m1n1之剪應力為多少 N/mm2?
(A) 20
(B) 40
(C) 60
(D) 80
(A) 20
(B) 40
(C) 60
(D) 80

參考答案
答案:B
難度:適中0.444444
統計:A(0),B(4),C(1),D(1),E(0)
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