The way I think about it is imagine the circle in the middle is very tiny compar... | Hacker News

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		TarasBob on Dec 26, 2023 \| parent \| context \| favorite \| on: Veritasium: The SAT Question Everyone Got Wrong [v... The way I think about it is imagine the circle in the middle is very tiny compared to the circle that rolls.

medler on Dec 27, 2023 [–]

I like this perspective as well. If the coin is rotating around a point (radius 0), the point on the coin edge touching the point will not move at all, yet the coin will make one rotation before returning to its original position.

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