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Peter Mann

Centrifugal force

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Harte

There is no such thing as centrifugal force. It is a phantom force - merely the reaction for to centripetal force, which does exist.

Harte

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aztek
Quote

Some people confuse centrifugal force with its counterpart, centripetal force, because they are so closely related. One might say they are two sides of the same coin. Centripetal force is defined as, “The component of force acting on a body in curvilinear motion that is directed toward the center of curvature or axis of rotation,” while centrifugal force is defined as, “The apparent force, equal and opposite to the centripetal force, drawing a rotating body away from the center of rotation, caused by the inertia of the body,” according to the American Heritage Dictionary. 

Image result for centripetal and centrifugal force

Edited by aztek

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pallidin

Excepting external influence, a Frisbee thrown in space will continue rotating... forever.

However, since there is no such thing as "zero external influence",  the Frisbee  will eventually cease rotation.

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aztek

what about pizza pie? will it fly forever, or aliens will catch and eat it before it gets too far?

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Harte
6 hours ago, aztek said:

what about pizza pie? will it fly forever, or aliens will catch and eat it before it gets too far?

Depends.

Are there anchovies?

Harte

  • Haha 1

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