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What is friction and what does it depend on?

posted Oct 28, 2017, 12:07 PM by Barbara Fortunato
5: M 10/30, 7: M 10/30
 
Today, we'll introduce the idea of quantifying friction.  We'll talk about where friction is helpful (walking and braking) where it is not (in lab situations). We'll also talk about the difference between static friction and kinetic friction. We'll talk about how to increase the friction between two surfaces (think Mr. Miyagi from Karate Kid). Finally, we'll do a lab to find the mathematical relationship between the normal force and the force of friction.
 
Homework:  Watch this video for next class:

Dan Fullerton Friction

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