4. The wall shown in the following figure is 4.25 m wide. Calculate the total force on the wall due to the oil pressure. Also, determine the location of the center of pressure and show the resulting force on the wall. Make a diagram with the resulting force. Use h=2.25 m,e=0.90, θ=40°, γ=9.81KN/m³
Agua
Centro
de presión
h
L
$\theta$