A door 1 m wide and 1.5m high is located in a plane wall of a water tank. the do

Question

A door 1 m wide and 1.5m high is located in a plane wall of a water tank.  the door is hinged along its upper edge, which is 1m below the water surface.  Atmospheric pressure acts on the outer surface of the door and at the water surface.  Take density of water equal to 1000 kg/m^3 and Patm= 101.3 kPa.

a) Determine the magnitude of the total resultant force acting on the door in kN

b) Determine the line of action of the total resultant force

c) If the water surface gage pressure is raised to 0.3 atm, what is the magnitude of the total force acting on the submerged side of the door.

Explanation / Answer

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