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- 24.一長溝槽橫斷面如【圖 24】所示，令 h 為流體深度，為流體質量密度，g 為重力加速度，單位長度的垂直面槽壁所受到的最大力矩為何？ (A)ρghB/6 (B) ρgh2B/2 (C) ρgh2
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24.一長溝槽橫斷面如【圖 24】所示，令 h 為流體深度，為流體質量密度，g 為重力加速度，單位長度的垂直面槽壁所受到的最大力矩為何？
(A)ρghB/6
(B) ρgh2B/2
(C) ρgh2B2/3
(D) ρgh3/6
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