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angle !≡ perimiter crossed

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Author: mohamed159357

Group: Default

Filesize: 70.78 kB

Date added: 2021-06-24

Rating: 5

Downloads: 353

Views: 176

Comments: 0

Ratings: 1

Times favored: 0

Made with: Algodoo v2.1.0

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Question:
if you 2 circles:
- a small circle with radius r
- a big one with radius R
let's say R = 3r
if we roll the small circle on the big circle, how many turns/revolutions does the small circle need in order to move all around the big one?

think about it, then take a look at the experiments below!
inspired from "https://youtu.be/kN3AOMrnEUs" by MindYourDecisions


CONCLUSION:
the number of revolutions of a circle isn't equivalent to the distance it's perimiter crosses,
it has something to do with the shape of the surface it's crossing !
Last edited at 2021/06/24 23:36:15 by mohamed159357
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