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Introductory Physics Homework Help
Pressure on Piston: Conservation of Energy Explained
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[QUOTE="Orodruin, post: 6011979, member: 510075"] You seem to have a fundamental misunderstanding of what pressure means. It is not the property of an object as a whole, it is a local property that describes force per unit area over an intersection. In your trapezoid example, the pistons need to apply the same pressure for the system to be in equilibrium - the hydrostatic pressure of the liquid. Otherwise you cannot apply hydrostatics, which is also what let's you assume that the pressure is constant throughout the liquid. [/QUOTE]
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Pressure on Piston: Conservation of Energy Explained
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