Question

27.) A tank with upright sides contains 0.9 m of mercury and 5 m of water. Find the total force on the square from one side, whose area is 0.6 x 0.6, half of this area is below the surface of mercury. The sides of the square are vertical and horizontal.

23.) Oil with a relative density of 0.800 presses the surface of the upright triangle, the peak of which is on the surface of the oil. The triangle is 2.7 m height and 3.6 m wide. 2.4 m mounted on the base 3.6 m and pressured by air. Find
(a)the magnitude and
(b) position of the resultant force on the entire surface!

Answer 1