1.

A rectangular plan surface 5 m wide and 7 m deep lies in water in such a way that its plane makes an angle 60⁰ with the free surface of water. Determine the total pressure force when the upper edge is 3 m below the free surface.

A. 311.15 N/cm2
B. 622.3 N/cm2
C. 155.5 N/cm2
D. None of the mentioned
Answer» B. 622.3 N/cm2


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