A rectangular surface 3' x 4', has the lower 3 edge horizontal and 6' – McqOptions

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1.	A rectangular surface 3' x 4', has the lower 3 edge horizontal and 6' below a free oil surface (sp. gr. 0.8). The surface inclination is 300 with the horizontal. The force on one side of the surface is(where, y = specific weight of water)
A.	39.6y
B.	48y
C.	49.2y
D.	58y
Answer» C. 49.2y

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