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centripetal force

Real World: Centripetal Force
Image: NASA

Real World: Centripetal Force

What does the moon have in common with the yo-yo trick "around the world"? What does a Ferris-wheel have in common with a communications satellite? They all curve around a central point as a result of centripetal force. Learn more about how this force affects you.

NASA
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Ferris Wheel Physics

Ferris Wheel Physics

You know that feeling you get when you go over the top on a Ferris wheel? That's the result of centripetal force. And there's a math formula for it! More...

Article
Real World Physics Problems
Circus Physics: Centripetal Acceleration

Circus Physics: Centripetal Acceleration

It takes daring (and lots of practice) to launch yourself from a galloping horse in front of a circus audience, but it also takes centripetal force. Learn more here! More...

Video
PBS
Alien Invasion

Alien Invasion

Use your knowledge of centripetal force to aim your photon gun in this game. More...

Interactive
Jeffrey Spring/St. Mary's High School
Centrifugal Force: The False Force

Centrifugal Force: The False Force

You may have heard of centrifugal force. A lot of people use the term. But guess what? Centrifugal force doesn't actually exist! Click here to find out why. More...

Article
Regents Exam Prep
Centripetal Force and Merry-Go-Rounds

Centripetal Force and Merry-Go-Rounds

Centripetal force can make your head spin. Or at least will can make you dizzy. Learn about the relationship between our bodies and centripetal force in this podcast. More...

Article
Indiana Public Media
Circular Motion and Gravity Quiz

Circular Motion and Gravity Quiz

Are you ready to test your understanding of centripetal force with this quiz from A-Plus-Physics? More...

Interactive
APlusPhysics.com
The Centripetal Force Requirement

The Centripetal Force Requirement

An object can't move in a circle unless it's acted on by a centripetal force. Visit this site to learn why this force is unbalanced—it has to be. More...

Article
The Physics Classroom
Turning

Turning

NASCAR drivers will tell you, the challenge isn't going straight, it's turning. It takes over 10,000 pounds of force for a race car to take a sharp turn. Find out more in this video from Science 360 More...

Video
National Science Foundation

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