A circular plate 3 m in diameter is immersed in water in such a way that its greatest and least depth below the free surface are 4 m and 1.5 m respectively. Find total pressure on one face of plate.
[Assume sinθ = 5/6 where θ is angle of plate with horizontal]
1
180.23 kN
2
200.32kN
3
190.69kN
4
170.26 kN