Wrist Ball www.dvdvierge.com

How does it work?
A gyroscope is a solid object that is designed to spin around a central axis. The ends of the axle rest on bearings in a steel ring, or gimbal. Start the top spinning and as long as it continues to spin rapidly, the top will remain balanced on its pointed end.

More important, the direction of the top's spin axis will resist any attempt to change the direction of the axis about which the rotor turns. This basic property results from the top's strong Angular Momentum. The rigidity in space of a gyroscope is a consequence of Newton's first law of motion which states that a body at rest tends to continue in its state of rest or uniform motion unless subject to outside forces. Thus, the wheel of a gyroscope, when started spinning, tends to continue to rotate in the same plane about the same axis in space...Precession - When a force (your hand) is applied to a gyroscope it tends to change the direction of the axis of rotation, the axis will move in a direction at right angles to the direction in which the force is applied.

Code barre :

WBALL001

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Nom du Produit : Wrist Ball
Modèle : [WBALL001-1]

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