A flotation device is in the shape of a right cylinder, with a height of 0.500 m and a face area of 4.00 m2 on top and bottom, and its density is 0.400 times that of fresh water. It is initially held fully submerged in fresh water, with its top face at the water surface.Then it is allowed to ascend gradually until it begins to float. How much work does the buoyant force do on the device during the ascent?
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 flotation device is in the shape of a right cylinder, with a
height of 0.500 m and a face area of 4.00 m2 on top and bottom, and
its density is 0.400 times that of fresh water. It is initially held fully
submerged in fresh water, with its top face at the water surface.Then it is allowed to ascend gradually until it begins to float. How much
work does the buoyant force do on the device during the ascent?
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