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Chapter 11 Fluids

Forces in Fluids

QuestionAnswer
barometer an instrument used to measure atmospheric pressure
hydraulic system Uses liquids to transmit pressure in a confined fluid
pressure equal to the force exerted on a surface divided by the total area over which the force is exerted
fluid a material that can easily flow
pascal SI unit of pressure
buoyant force an upward force exerted by a fluid that acts on a submerged object
Bernoulli’s principle states that the faster a fluid moves, the less pressure the fluid exerts
Pascal’s principle when force is applied to a confined fluid, the change in pressure is transmitted equally to all parts of the fluid.
lift An upward force
Archimede’s principle states that the buoyant force acting on a submerged object is equal to the weight of the fluid the object displaces
Density Mass per unit volume
Created by: KerriReynolds
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