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Fluids and Pressure
Buoyant Force
Fluids and Motion
Vocab
100
Wher is atmospheric pressure greatest?
What is the ocean?
100
Air bubbles rise to the surface of a pond because air is ________ dense than water.
What is less?
100
If a fluid flows from area A to area B, then area B must be an area of lower _________
What is pressure?
100
The forward force produced by an airplane's engine.
What is thrust?
200
Fluids pressure is exerted _______ in all directions causing bubbles to be round.
What is evenly?
200
True or False, depth of water does not affect the level a boat floats at in a body of water.
What is True
200
_________ is an upward force that pushes up on a planes wing.
What is lift?
200
This is an organ used by fish to stay afloat.
What is a swim bladder?
300
What element did we talk about taht is less dense than air?
What is helium?
300
This principle is used to determine buoyant force.
What is Archimedes' principle?
300
This principle states that the pressure in a fluid decreases as the fluid's velocity increases.
What is Bernoullis's principle?
300
This is the irregular flow of fluids.
What is turbulance?
400
Pressure exerted on a diver 10 meters underwater is how many time greater than the pressure on the surface?
What is 2?
400
A force exerted on an object that increases as the density of the fluid increases is a what
What is buoyant force?
400
This principle is used by hydraulic devices to multiply force.
What is Pascal's principle?
400
This is the SI unit of pressure
What is a pascal?
500
Air pressure is ________ inside the tornado than outside.
What is lower?
500
These are used to allow a submarine to sink or rise.
What is a ballast tank?
500
This is the force that works against the forward motion of a plane.
What is drag?
500
This is the amount of matter in a given volume.
What is density