問題詳情

1.One of the two forces that constitute a couple is 

 lb, having a line of action that passes through the point A at (0, 6, 5) ft. The other force has a line of action that passes through point B at (-4, 0, 2) ft. Find the moment of the couple, and the distance between the lines of action of the forces. (25%)

參考答案

答案:C
難度:簡單0.746713
統計:A(1),B(197),C(852),D(21),E(1)

用户評論

【用戶】Jimmy Huang

【年級】高三下

【評論內容】(Wallas,1926)曾將創造的歷程分成四個階段(張世慧, 民81):1.準備階段(preparation),努力地搜尋資料並嘗試解決問題。2.醞釀階段(incubation),在意識作用不明顯的狀況下,組織、消化前一階段的資料。3.豁朗階段(illumination),答案逐漸湧上心頭。4.驗證階段(verification),評價與修正前一階段的發現。