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33-fluids II

# 33-fluids II - Phys 211 Chapter 14 Fluids Review Fluid...

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Phys 211 4/15/09 Chapter 14 Fluids

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Review Fluid: Anything that flows / takes the shape of its container. m = ρ V Density: Mass per unit volume Pressure: Force per unit area F = pA The pressure at a point in a fluid in static equilibrium depends on the depth of that point but not on any horizontal dimension of the fluid or its container. At a given level, the pressure is the same in all directions. p = p 0 + ρ gh Pascal’s Principle: A change in the pressure applied to an enclosed incompressible fluid is transmitted undiminished to every portion of the fluid and the walls of its container.
Bubbling Up While swimming near the bottom of a pool, you let out a small bubble of air. As the bubble rises toward the surface, what happens to its diameter? 1) It increases 2) It decreases 3) It stays the same

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Eureka (250 BC) Archimedes’ Principle : A body partly or completely submerged is buoyed by a force equal to the weight of the displaced fluid .
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33-fluids II - Phys 211 Chapter 14 Fluids Review Fluid...

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