Re: [Phys-l] A question about the Earth's gravity

["Rauber, Joel" <Joel.Rauber@SDSTATE.EDU>]

Yes, in the sense that the free fall acceleration and the direction that a plumb bob hangs is affected by the earth's rotation.

_________________________

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


> -----Original Message-----
> From: phys-l-bounces@carnot.physics.buffalo.edu [mailto:phys-l-
> bounces@carnot.physics.buffalo.edu] On Behalf Of John Clement
> Sent: Thursday, May 07, 2009 8:58 AM
> To: 'Forum for Physics Educators'
> Subject: Re: [Phys-l] A question about the Earth's gravity
>
> 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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