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Scientific American

March 1, 1989

1 min read

The Amateur Scientist, March 199

How to get the playground swing going: a first lesson in the mechanics of rotation

By Jearl Walker

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This article was originally published with the title “The Amateur Scientist” in Scientific American Magazine Vol. 260 No. 3 (March 1989), p. 106
doi:10.1038/scientificamerican0389-106

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