Friction and Force from Springs
This lecture accompanies what you just read. It talks about the equations of kinetic and static friction forces, and the concepts behind friction itself. Watch the video until the 6:12 mark, where Clements begins discussing springs and other material we will cover in another Saylor course, PHYS102 Introduction to Electromagnetism.
Source: Greg Clements, https://www.youtube.com/watch?v=UjdCpnRTwbw
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