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Forces and Fluids Ch.4 by Chance Williams

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Chance Williams

on 3 November 2015

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Transcript of Forces and Fluids Ch.4 by Chance Williams

Forces and Fluids Ch.4 by Chance Williams
Pressure and Density of Fluids
fluid
-is any substance that flow and take the shape of the container that holds it.
Pressure
-is the amount of force per unit area applied to an objects surface
atmospheric pressurer
-the ratio of the weight of all the air above you to your surface area
The Buoyant Force
Buoyant force
-is an upward force applied by a fluid on the total weight of the raft.
Archimedes' principle
-the weight of the fluid that an object displaces is equal to the buoyant force.
Other Effects of Fluid Forces
Pascal's principle
-states that when pressures is applied to a fluid in a closed containr the pressure increases by the same amount everywhere in the container.
Bernoulli's principle-
states that the pressure of a fluid decreases wheen the speed of that fluid increases
drag force
-is a force that opposes the motion of an object through a fluid.
Preasure of fluids
Pascal's principle
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