A rectangular swimming pool is 20m long and 10m wide and full of water. The bottom of the pool slopes uniformly from a depth of 0m to a depth of 6m. If the density of the water in the pool is δ kg/m^3 and the acceleration due to gravity is g m/s^2, find the work necessary to pump the water out of the top of the pool. Make sure to draw a diagram! Thank you! This is a calculs work problem from calculus 1&2

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Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.