Aerodynamics

Why is the science of aerodynamics important to racing?

• Because aerodynamics helps improve the safety of the racecars, keeping them on the track.  

• Because aerodynamics helps enhance the speed of the racecars, helping drivers zoom past the competition.  

• Because aerodynamics helps improve the performance of the cars, keeping them running smoothly and consistently.  

• All of the above.  

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If I place a crumpled up piece of paper in a glass and place it upside down in a bowl of water, what happens?

• It will get wet

• It will stay dry

• It will float

• It will sink

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NGSS.3-PS2-2

Theory 3 - The faster air moves, the lower the ________. 

• Speed

• Density

• Compression

• Pressure

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Downforce is the opposite of lift.  

• True

• False

Air is considered a...

• Solid

• Fluid

• Liquid

• Plasma

Select ALL that apply...

LIFT is:

• A force that acts a a right angle to the direction of motion through the air.

• Created by difference in air pressure.

• The force that propels a flying machine.

• The force of gravity on a flying object.

Which is the CORRECT definition of

THRUST?

• The invisible gaseous substance surrounding the Earth.

• It acts in a downward direction, toward the center of the Earth.

• Thrust is the force that propels a flying machine in the direction of motion.

• The force that acts at a right angle to the direction of motion through the air.

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Select ALL that apply...

DRAG is:

• The force that acts at a right angle to the direction of motion through the air.

• The force that acts opposite to the direction of motion.

• The force that moves something forward.

• Caused by friction and differences in air pressure.

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NGSS.MS-PS3-5

BERNOULLI’S PRINCIPLE

States that:

• As fluid moves around an object, creates similar pressures on that object. Faster air means more pressure. The key to flight is creating pressure downwards on the wing to keep the object in the air.

• Movement around an object, creates similar pressures on that object. Slower air means less pressure. The key to flight is creating pressure upwards on the wing to keep the object in the air.

• As fluid moves around an object, creates similar pressures on that object. Slower air means less pressure. The key to flight is creating pressure upwards on the wing to keep the object in the air.

• As air moves around an object, it creates different pressures on that object. Faster air means less pressure. The key to flight is creating pressure upwards on the wing to keep the object in the air.

_ _ _ _ is the force that acts at a right angle to the direction of motion through the air. It is created by differences in air pressure.