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Centrifugal Force

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Uploaded by on Sep 8, 2010

Free Science Help at Brightstorm! http://brightstorm.com/science Recognizing the differences between centripetal and centrifugal force.

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Education

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  • @derekschmitz1 You should have watched the video instead of just trying to sound smart by stating what we all learned in 9th grade. He clearly explained why centrifugal forces don't exist. Fail.

  • @derekschmitz1 Ya, he said it in the video. Although I don't blame you for not listening.

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  • Centrifugal force is a by-product of Centripetal force.....Centripetal is gravity?? if they are one of the same then Centrifugal force is responsible for expansion and seperation.

    Maybe like elastic

    Vacuums don't exist but they do a trip into taoist metaphysics.

  • Without the Centrifugal Force, Earth and our solar system's planets would spiral into the sun, which obviously isn't happening now. So, actually, it is a real force.

  • Sorry, I mean F = d/dt(mv) is not null...

  • So, a he is talking of an "inertial force" which is associated with the direction of motion?... did I listen well?... that would mean F = d/dt(mv) is not a constant in the case of a linear motion... Newton is rolling in his tomb... please google "In Defence of the Centrifugal Force and the Geometric Law of Motion".

  • There is a noticeable force (centrifugal force) pushing outwards on a body in circular motion! What is necessary to keep it in motion around the circle is a reaction (Centripetal Force). This centripetal force is friction on tires, gravity on satellites in circular orbit, tension in a string with a rotating object, etc. Once the body is no longer in circular motion, there is no centripetal or centrifugal forces. It is useful to add centrifugal forces on a free body diagram acting outwards.

  • CENTRIFUGAL FORCE DOESNT EXIST!!! centripetal yes, but centrifugal is a fictitious force! come on now!

  • i m confused... i thought the centrifugal forces appear because of the observation from the non-inertial frames of references... lets say for a whirling stone attached with a string... when we rotate with the stone so that the stone is always stationary then to counterbalance the centripetal force of the string we introduce a centrifugal force which is exactly equal and opposite... thats what i think and i think i think right...

  • 3 formulas for centrifugal acceleration:

    v^2/r

    r*w^2

    v*w

    w = angular velocity

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