Intro to forces (part 1)
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Khan AcademyMahesh Shenoy
Intro to forces (part 1)
A force is a push or pull. There are several types, including: applied (from person or machine), tension (from string or cable), gravity (between masses), normal (perpendicular to surface), friction (moving across a surface), thrust (from pushing something the other way), drag (resistance from air or other fluid), buoyancy (from displacing a ...
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