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Jirelle

Acknowledgements

I very much want to thank Fred Onis for building this website, for all his patience with a definately-non-wizzkid like me and for his ongoing creativity in giving form to my wildest suggestions.

For all their help with translating the site I owe many thanks to Rick Hendricks, Taggart King and Yvonne Sonke. Their supportive critiques made translating it into a wonderful adventure.

And to Rick yet another, special 'thank you' for reasoning out and contributing the 'terrafugal force'! (See his theoretical approach below.)



A special 'thank you' to Rick Hendricks

Rick Hendricks

To my dear friend Rick, who has helped me making my translations bearable, I sent an e-mail with the following, impossible demand:

"Another question: there is one word I simply cannot translate correctly. I probably need a technical dictionary for that, but maybe you can help me out.
It is the word on the /// spot (she reduced the /// power of the earth).
What I mean there, is the power that pushes her away from the earth. Like with magnets, that kind of push. The opposite of attracting power, the opposite of gravity. But NOT antigravity. Do you have a suggestion?"

Brilliantly as ever he answered:

"Dear Cass,

Regarding the Repulsive Force *LOL*:

In Magnetism, the opposite of Attraction is Repulsion, and although a correct term, its connection by usage as a negative connotation renders it perhaps unusable! *LOL* A shame because this can refer to linear or other non-circular motion, which is what you wish to describe!

That leads us to Circular Motion:

According to Newton's first law of motion, a moving body travels along a straight path with constant speed (i.e., has constant velocity) unless it is acted on by an outside force. For circular motion to occur there must be a constant force acting on a body, pushing it toward the center of the circular path. This force is the centripetal (center-seeking) force.

For a planet orbiting the sun, the force is gravitational; for an object twirled on a string, the force is mechanical; for an electron orbiting an atom, it is electrical. The magnitude F of the centripetal force is equal to the mass m of the body times its velocity squared v² divided by the radius r of its path: F=mv²/r.
According to Newton's third law of motion, for every action there is an equal and opposite reaction.
The centripetal force, the action, is balanced by a reaction force, the centrifugal (center-fleeing) force. The two forces are equal in magnitude and opposite in direction. The centrifugal force does not act on the body in motion; the only force acting on the body in motion is the centripetal force. The centrifugal force acts on the source of the centripetal force to displace it radially from the center of the path.

Thus, in twirling a mass on a string, the centripetal force transmitted by the string pulls in on the mass to keep it in its circular path, while the centrifugal force transmitted by the string pulls outward on its point of attachment at the center of the path. The centrifugal force is often mistakenly thought to cause a body to fly out of its circular path when it is released; rather, it is the removal of the centripetal force that allows the body to travel in a straight line as required by Newton's first law. If there were in fact a force acting to force the body out of its circular path, its path when released would not be the straight tangential course that is always observed.

Thus we see that Centrifugal Force is the term closest to what you describe, that is "Center Fleeing".
The problem is that it is used in terms of circular motion, and does not really exist!! It is a phantom created to describe an apparent outward force for use by ordinary people who do not understand physics.

For your purpose you are describing an ACTUAL center-fleeing force, and not mechanical or electronic, but gravitational! The force must resist, in a center fleeing mode, gravitation by definition!
This leads with some irony to the correct term "Anti-gravity" which you cleverly rejected from the outset! *LOLOL*

Sadly, this term is also bound with all too common Science Fiction usage.

That leaves us faced with creating our own terms!

I submit: "Terrafugal Force" *S*

See how you are twisting my mind! This "Levitational Force" term is going to bug me now...Thanks for that!

CU!
Rick"

 


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