問題詳情
11 在平面應力條件下，σx=-40 MPa，σy=10 MPa 且一主應力σp 為 15.8 MPa；則其|τxy |之大小為？（各項應力正值之定義）
(A) 45.8 MPa
(B) 30.8 MPa
(C) 25 MPa
(D) 18 MPa.
參考答案
無參考答案
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