Guided notes for my Forces unit videos: https://docs.google.com/document/d/1u...

For all my science videos and resources: http://www.justinmsiebert.com​/science
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In this video, I collect some data to show conceptually why the static friction equation is an inequality. Then I explain both equations and do an example to show their application.

0:00 Friction Experiment
0:32 Drawing Free Body Diagrams
3:00 Static Friction Equation
6:38 Kinetic Friction Equation
7:32 Example Problem
12:40 They see me rollin'...