The upper and lower edges of a square lamina of length 4 m are at a depths of 1 m and 3 m respectively in water. What will be the total pressure (in kN) on the lamina?

The upper and lower edges of a square lamina of length 4 m are at a de

1.	The upper and lower edges of a square lamina of length 4 m are at a depths of 1 m and 3 m respectively in water. What will be the total pressure (in kN) on the lamina?
A.	156.96
B.	235.44
C.	313.92
D.	392.4
Answer» D.

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