Pressure
Pascal's Principle
Bernoulli's Principle
Buoyancy
Vocabulary
100

The formula for pressure is 

What is force / area

100
A device that uses pressurized fluid acting on pistons of different sizes to change a force
What is hydraulic system
100
The pressure difference between the top and bottom of the wing creates _______
What is lift
100
Buoyancy results in the apparent ______ of weight of an object in a fluid
What is loss
100

Materials that can easily flow

What is fluids

200

SI unit for pressure

What is Pascal

200
A change in pressure at any given point in a fluid is transmitted equally and unchanged in all directions throughout the fluid
What is Pascal's Principle
200
A racecar has an upside down wing that creates what?
What is downward force
200
An upward force that acts in the opposite direction of gravity
What is buoyant force
200

A force that particles of a fluid exert over a certain area due to their weight and motion

What is pressure

300

Water pressure ________ as depth increases

What is increases

300
In a hydraulic system, force is ________, leading to an increased output force
What is multiplied
300
As the speed of a fluid increases, the pressure within the fluid ________
What is decreases
300
States that the buoyant force on an object is equal to the weight of the fluid that is displaced
What is Archimedes' Principle
300
A boat will sink if the weight of the water that it displaces is _______ than the weight of the boat itself.
What is less
400

Air pressure ___________ as you gain altitude.

What is decreases

400
If the output piston is 10 times larger than the input piston, the output force will be _______ times greater than the input force
What is 10
400
Why do airplanes fly?
What is because the pressure above the wing is less than the pressure below the wing creating lift
400
The ability of a fluid to exert an upward force on an object placed in it
What is buoyancy
400
An 8 lb bowling ball will _________ in water.
What is float
500

Inside a plane that is gaining altitude, the cabin pressure needs to ____________ so that the passengers can continue breathing normally.

What is increase

500
The engineering of applying Pascal's Principle that is used in car brakes and heavy machinery.
What is hydraulics
500
When air is blown above a piece of paper the pressure above the paper is ___________ than the pressure below the paper.
What is less
500
Object is less dense than fluid, object will ______
What is float
500
A submarine has to pump water _______ its ballast tanks to make it sink underwater.
What is into
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