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bhavana1012
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For physics we have to come up with a module that works just on gravity. We're racing them, so aerodynamics are a major concern. I know it should be dense, mass packed close to the center of mass, but I don't know if I should use wheels, or cylinders, or where to go from the basics :/ any ideas on what would be the fastest, most aerodynamic gravity contraption to roll down an incline?