A submarine dives to a depth of 50.0 m under water. Given a density of sea water of 1,020 kg/m3, the gauge pressure at this depth is 500000 Pa. If a hatch on the submarine has an area of 2.8 m2, what is the net force (in N) on the door, assuming the air inside the submarine is at the same pressure as atmospheric pressure at the water’s surface?
Fluid Pressure
The term fluid pressure is coined as, the measurement of the force per unit area of a given surface of a closed container. It is a branch of physics that helps to study the properties of fluid under various conditions of force.
Gauge Pressure
Pressure is the physical force acting per unit area on a body; the applied force is perpendicular to the surface of the object per unit area. The air around us at sea level exerts a pressure (atmospheric pressure) of about 14.7 psi but this doesn’t seem to bother anyone as the bodily fluids are constantly pushing outwards with the same force but if one swims down into the ocean a few feet below the surface one can notice the difference, there is increased pressure on the eardrum, this is due to an increase in hydrostatic pressure.
A submarine dives to a depth of 50.0 m under water. Given a density of sea water of 1,020 kg/m3, the gauge pressure at this depth is 500000 Pa. If a hatch on the submarine has an area of 2.8 m2, what is the net force (in N) on the door, assuming the air inside the submarine is at the same pressure as atmospheric pressure at the water’s surface?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
