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PIRA Code(s)
Set up time
1 minute
Physics and Science Concepts
Center of mass, Conservation of Energy
Set cylinder at top of V. Set cone at bottom of V.

When the double cone is placed on the narrow end of the V-shaped rails it rolls to the wide end. The double cone appears to be rolling uphill, but in reality the center of mass is moving down. *

*Description taken from University of Maryland.