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Fluids

QuestionAnswer
Fluid: A substance (liquid or gas) that flows and takes the shape of its container.
Density Mass per unit volume measured in kg/m3
Pressure Force exerted perpendicular to a surface per unit area
Pascal's Principle A change in pressure at any point in an enclosed fluid is transmitted equally in all directions.
Gauge Pressure: Pressure relative to atmospheric pressure
Absolute Pressure Total pressure, including atmospheric pressure;
Buoyant Force Upward force equal to the weight of the fluid displaced by an object.
Archimedes' Principle The buoyant force on a submerged object equals the weight of the fluid it displaces.
Ideal Fluid: An incompressible, non-viscous fluid.
Viscosity: A fluid's internal resistance to flow (thickness).
Bernoulli's Equation Expression of conservation of energy for flowing fluids
Bernoulli's Principle: As the speed of a fluid increases, its internal pressure decreases.
Created by: bhowell65
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