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Chapter 11 Test
chapter 11 test on pressure, floating & sinking, Pascal's principle, and Bernoulli's principle
10
Science
8th Grade
12/12/2007

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Cards

Term
fluid
Definition
a substance that flows
Term
force
Definition
the push or pull exerted on an object
Term
pressure
Definition

the force exerted on a surface divided by the total area over which

 

Pressure= Force

               Area

Term

Bernouli's principle

Definition
faster moving fluids have lower planes pressure (the reason that planes have lifts on their wings and birds and frisbees aka flying discs)
Term

Pascal's principle

Definition
pressure increases by the same amount throughout an enclosed or confined fluid
Term
Archimede's principle
Definition
the buoyant force acting on a submerged object is equal to the weight of the volume of fluid displaced by the object
Term
Formula for Density
Definition

 

Density= Mass

             Volume

Term
buoyant force
Definition
the upward force that water and other fluids exert that acts on a submerged object
Term
hydraulic system
Definition
this system uses liquids to transmit pressure and multiply force in a confined fluid
Term
lift
Definition
an upward force
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