Double Cone - Small

Purpose

To demonstrate a center of mass paradox.

Equipment

Double cone on rails, as photographed.

Images

b1-07

Description

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.

References

(PIRA 1J11.50) Demonstration B1-6 is a larger version of this demonstration.