You are assigned the design of a cylindrical, pressurized water tank for a futur

Question

You are assigned the design of a cylindrical, pressurized water tank for a future colony on Mars, where the acceleration due to gravity is 3.71 meters per second per second. The pressure at the surface of the water will be 105kPa , and the depth of the water will be 14.5m . The pressure of the air in the building outside the tank will be 90.0kPa.

Find the net downward force on the tank's flat bottom, of area 2.30m2 , exerted by the water and air inside the tank and the air outside the tank.

Express your answer numerically in Newtons, to three significant figures. Please show work. Thanks!

Explanation / Answer

From the weight of the water alone, the pressure is:

Pfluid = ?gh
Pfluid is pressure in Pa or N/m

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