Introduction to rotational motion review (article) | Khan Academy
https://www.khanacademy.org/science/mechanics-essentials/xafb2c8d81b6e70e3:why-do-helicopters-have-a-second-rotor-on-the-tail/xafb2c8d81b6e70e3:how-do-spinning-wheels-and-moving-cars-connect-uncovering-the-link-between-angular-and-linear-motion/a/angular-quantities-ap1
WEBOverview of key terms, equations, and skills for rotational motion, including the difference between angular and tangential acceleration.
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