問題詳情
三、有一長方形截面之桿件，如圖所示，長為 400 mm，截面高度 h 為其寬度 b 的兩倍，桿件材料之降伏強度為 300 × 106 N/m 2 ，於其端點處懸吊一 3000 N 之重物。若安全係數為 1.5，且僅考慮彎矩應力時，試求出其截面積尺寸。（20 分）
參考答案
答案：C
難度：適中0.454545
統計：A(27),B(22),C(75),D(16),E(0)
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