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## 3D pendulum gravity or centripetal?

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• Hi, Did I just prove gravity is centripetal or did I just state the obvious?What happened? I need some constructive critism please.See files for illustration
Message 1 of 1 , Jun 30 3:35 PM
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Hi,
Did I just prove gravity is centripetal or did I just state the
obvious?What happened? I need some constructive critism please.See
files for illustration of experiment.

I have discovered that motion is two dimensional and three
dimensional.A pendulum is related to centripetal and centrifugal
motion, and is generally two dimensional, there and back or rather
in and out.My experiment asks the question ...Is pendulum motion a
result of gravity or centrifugal force.The experiment shows that
centrifugal force holds it at the rim as long as it is moving at the
same speed as the disc.It is held at the height of the pendulum
swing on a 3D plane quite comfortably.Take it out further (faster)
and gravity makes it slow and drop back to the perifery again. It
takes up this natural position.Pendulum motion has intrinsically the
force of gravity to pull it back. Centrifugal force prevents gravity
from returning it to the centre.It demonstrates half the motion of a
pendulum swing. Can we then say that slowing down the centrifugal
motion is the same thing as centripetal motion?According to the
dictionary yes, it is a motion to the centre regardless of
speed.This may appear self evident except that it ties the two
forces gravity and centrifugal forces together and shows that
pendulum motion can be 3 dimensional as well as 2
dimensional.Centrifugal force opposes gravity in an unexpected way .
Not in this case as an up and down force but actually to keep the
pendulum from falling inward on a 360 degree horizontal plane.So
when you swing a pendulum back and forth it is more about
centripetal force moving it back to the centre rather than gravity
if you include the complete picture of what a pendulum actually is
and since gravity is purely about up and down.If gravity is
centripetal that means we are the vortex ,and we are moving at the
same speed as the perifery of the earth in perfect balance.In fact
the earth is at the end of a 3dimensional vortex on all planes of
cosmic particles from all directions.Regards Roz.
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