問題詳情

22、 In Figure 22, the gate is 3 m wide and weightless. To keep this rectangular gate to be inequilibrium, the depth of water will be : 


(A)3.2 m,
(B)2.67m,
(C)4.5 m,
(D)5.2 m.

參考答案

答案：B
難度：適中0.6
統計：A(0),B(3),C(1),D(0),E(0)