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The 'official' definition of g DOES include the centrifugal effect.
Physics teachers saying otherwise does not change this.
(and I believe that the 'somewhat' does indeed apply to SMALL
effects ;-)
On May 7, 2009, at May 7(Thu) 9:58 , John Clement wrote:
So the gravitational force is changed by the rotation of the
Earth? Very
interesting!!!
John M. Clement
Houston, TX
Its only somewhat above the level of AP-C if centrifugal effects are
deemed somewhat above the level AP-C
_________________________
Joel Rauber, Ph.D
Professor and Acting Head of Physics
Department of Physics
South Dakota State University
Brookings, SD 57007
Joel.Rauber@sdstate.edu
605.688.5428
We claim that the earth's gravity at its poles is slightly
greater than
that at its equator. However, I feel justification for it is not
trivial but somewhat above the level of even AP Physics C; it will
require quite a bit of calculus! Would you agree?
~ Hasan Fakhruddin
Instructor of Physics
The Idiana Academy for Science, Mathematics, and Humanities
BallState University
Muncie, IN 47306
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Forum for Physics Educators
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_______________________________________________
Forum for Physics Educators
Phys-l@carnot.physics.buffalo.edu
https://carnot.physics.buffalo.edu/mailman/listinfo/phys-l