問題詳情

1.A rigid horizontal bar is supported by a hinge al A and by two steel cables BD and CE, which are of equal length L = 0.8 m,cross-sectional area A = 140 mm2, and E ~ 200 GPa. Please calculate the stress in each cable due to a force of 40 kN, applied as shown in Figure I. (20%)

參考答案

答案:A
難度:簡單0.891277
統計:A(1410),B(10),C(69),D(40),E(0)

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