SCIENCE OF SPEED: MOMENTUM AND TIME

submitted by: nsf

Increasing the time of a collision from a tenth of a second to two tenths of a second can make a huge difference in the number of G's a driver experiences. The car, the track, seat belts, and seat construction spread out the force of impact and save lives.

SCIENCE OF SPEED: BALANCE

submitted by: nsf

A racecar driver is like Goldilocks: The car always seems to be too loose or too tight. Getting the right balance is hard because the weight of the fuel changes and the tires wear during each green-flag run. Understanding the science is how crew chiefs make the car “just right”.

SCIENCE OF SPEED: CAR SAFETY

submitted by: nsf

Conservation of energy explains how NASCAR's new car helped driver Michael McDowell walk away from a scary crash at Texas Motor Speedway in 2008.