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The Science of Speed: Load Transfer

5 minutes 5 seconds

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NASCAR corners are divided into three parts because the car's grip changes in different parts of a turn. The center of gravity in the car challenges crew chiefs to minimize weight shift around a turn. Equipment like the seven-post rig helps, but the ultimate test is on the track. Part of "The Science of Speed" series.

Media Details

Runtime: 5 minutes 5 seconds

Topic: Business, Science
Subtopic: Industry, Physics, Science Methods
Grade/Interest Level: 10 - 12
Standards:

Release Year: 2010
Producer/Distributor: New Dimension Media/Questar
Series: The Science of Speed
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Pit crew station filled with tires at a racetrack. Caption: Friction is necessary for breaks and tires to work.

Race car on a track. Caption: Front downforce gives you front grip,

A race car about to go into a turn. Caption: That means that car won't turn.

Illustration of two cars bumper to bumper. Caption: is pushing the air out of the way for both cars.

A simulation of a car crash on a wall. Caption: Gregory Earle, When a car hits it, the wall deforms and moves.

Illustration of a car frame. Caption: The chassis is made from steel tubing,

Three men, one wearing a vest being lit on fire. Caption: it forms a char a carbon shell around the fiber.

That affects how much grip each tire has.

Side view of an engine. Caption: a NASCAR engine uses hydrocarbon molecules for fuel.

A spiraling tube. Caption: They run into each other and cancel themselves out.