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For studying the dependence of movement of inertia on the distribution of mass, by rolling down a metal ring and wooden disk of the same mass and diameter on an inclined plane or rolling them on a level surface with the same initial impulse. Comprised of a metal ring and a wooden disk of diameter 6" (150mm), thickness 2" (50mm) and same mass. When these are rolled down on an inclined plane on a level surface with the same initial impulse, the difference in acceleration can be studied.
