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V shaped metal track fitted on wooden base. Demonstrates centripetal acceleration.
Demonstrates transformation of potential into kinetic energy. V-shaped metal track in the shape of a loop is fitted on a wooden base. Longer end of the loop stands at an angle to the base and is 50 cm high. A steel ball, let loose at upper end of the loop, transverses the track at a fast speed without falling, while climbing the upper track of the loop upside down.