PBS
Pbs Learning Media: Centripetal Force: Pulling Cs and Gs
In this interactive activity from NOVA, discover how centripetal force can affect you when riding in a car or flying at high speeds in a fighter jet.
Annenberg Foundation
Annenberg Learner: Amusement Park Physics: Roller Coaster
Learn about Newton's Laws of Physics, g-force, the causes of motion sickness, and more by reading about different rides at an amusement park.
Wikimedia
Wikipedia: Centrifuge
Wikipedia provides detailed information and history on centrifuges in scientific research and industry, including its importance in making nuclear weapons.