Homework Help: Physics

Posted by Sarah on Saturday, November 3, 2012 at 12:03pm.

What is the total force on the bottom of a swimming pool 27.5m by 9.0m whose uniform depth is 1.9m? physics

What is the absolute pressure on the bottom of a swimming pool?

What will be the pressure against the side of the pool near the bottom?

Physics - Andy, Monday, November 5, 2012 at 7:35pm
Use the equation Pfluid=Density x height x gravity
(1000)(1.9)(9.8)=18,620
The TOTAL absolute pressure on the bottom and against the sides of the swimming pool is 18,620 + 1.01x10^5 = 119,620 Pa

Use the equation Pressure = Force/Area
Rearrange the equation to Force = Pressure x Area.
So, Force = 119,620 / (27.5x9) Which equals 29,605,950N.
Physics - Mollie, Monday, February 4, 2013 at 11:34pm
FINALLY. this^^ is correct.

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