Sciencitific popularization exhibit of accurate ball throwing

A scientific popularization exhibit of accurate ball throwing is characterized in a sloping rail with a higher and end and a lower end. A throwing ball which can roll in the rail provided. A turnplate is arranged to the lower front side of the lower end of the rail. A ball receiving basket is arrang...

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1. Verfasser: GUANGYA,BAI YAN
Format: Patent
Sprache:eng
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Zusammenfassung:A scientific popularization exhibit of accurate ball throwing is characterized in a sloping rail with a higher and end and a lower end. A throwing ball which can roll in the rail provided. A turnplate is arranged to the lower front side of the lower end of the rail. A ball receiving basket is arranged on the eccentric position of the turnplate. The utility model can demonstrate transition between potential energy and kinetic energy with a simple and intuitive way. The model transfers scientific knowledge to participants with an interesting way.