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without blowing it, you can transfer a ball from a wine glass to another with just a single step, fast and east. just watch my video. I show you how

This is really cool, im gonna try this asap. btw just a note its centrifugal force not centipetal.
No, it's centripetal. Centrifugal force is not a real force, but rather a made up word (By chemists) when the centrifuge was created. These chemists made the same mistake the original poster makes, mistakenly thinking that the force acts in an outward direction. Centripetal force acts inwards, towards the origin. The "force" holding the ball on the rim of the glass is actually inertia.
<a rel="nofollow" href="http://xkcd.com/123/">look here</a>it is centrifugal <br/>
Centrifugal force is a word made up to describe the effect of constraining inertia to a circular (or elliptic) path.<br />
<a rel="nofollow" href="http://dictionary.reference.com/browse/centripetal%20force">centripetal</a><br/>
Centripetal is the resultant force from the glass acting on the ball. This is otherwise known as the normal force in this example, since the normal force is acting perpendicular to the axis of rotation. Centrifugal is basically inertia. It is the force acting on the ball that is pushing it away from the axis of rotation. Think about a satellite orbiting around the earth. The centripetal force (gravity) is trying to pull it towards the center of the earth, and the centrifugal force (inertia) is equal and opposite to the force of gravity. This equilibrium keeps the satellite in a constant orbit. The correct term is actually centripetal since it fights inertia and keeps the ball in a constant orbit around the axis of the glass.
-.- b4 i watched the whole thing i knew it -.- when u rotate the ball it keeps spinning preventing it to fall down
i used to do this when i was 7:))
It works better with a brandy snifter a shot glass and a cherry or olive.
index card.
wow, cool!

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