Balancing act

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Abstract
Predict how objects of various masses can be used to make a plank balance. Predict how changing the positions of the masses on the plank will affect the motion of the plank. Write rules to predict which way a plank will tilt when objects are placed on it. Use your rules to solve puzzles about balancing
URI
http://mapa.oer-steam.world/handle/123456789/14986
Liga al recurso
https://phet.colorado.edu/en/simulations/balancing-act
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http://creativecommons.org/licenses/by/4
Except where otherwise noted, this item's license is described as http://creativecommons.org/licenses/by/4