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Groups > sci.physics.relativity > #376012
| From | Henry Wilson <HGW@home.com> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: Rotating Ring |
| Date | 2016-02-11 08:24 +0000 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <n9hgf5$uni$1@gioia.aioe.org> (permalink) |
| References | <3c28bc3e-6068-4798-b485-8a39613b9287@googlegroups.com> |
On Wed, 10 Feb 2016 17:51:52 -0800, sepp623 wrote: > In a rest frame there is a circular ring that is at rest. If another > inertial reference frame is moving with velocity V say along the x-axis > of the rest frame, that moving frame measures this circular ring to be > oval shaped due to Einstein's length contraction. > > Now if this rest frame has a circular ring that has an angular rotation > velocity of V, the moving frame has zero instantaneous velocity with > with the top arc of the ring and has a velocity about 2V with respect to > the bottom arc of the ring. If we make the ring diameter very, very > large so that centrifical forces are negligible, using Einstein's length > contraction concept why does the moving frame still measure the rotating > ring to be the same symmetrical oval shape as when the ring is not > rotating? Why doesn't the moving frame measure a different length > contraction at the top arc than it measures for the bottom arc resulting > in a shape that is not symmetrical about the x-axis? The ring stays the same in all frames. Einstein's whole theory is crap! Thanks, > David Seppala Bastrop TX
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Rotating Ring sepp623@yahoo.com - 2016-02-10 17:51 -0800
Re: Rotating Ring Henry Wilson <HGW@home.com> - 2016-02-11 08:24 +0000
Re: Rotating Ring JanPB <filmart@gmail.com> - 2016-02-11 01:30 -0800
Re: Rotating Ring Muddy Shoes <shoes@muddyshoes.org> - 2016-02-11 13:46 +0000
Re: Rotating Ring Henry Wilson <HGW@home.com> - 2016-02-11 15:51 +0000
Re: Rotating Ring Sylvia Else <sylvia@not.at.this.address> - 2016-02-11 21:49 +1100
Re: Rotating Ring Tom Roberts <tjroberts137@sbcglobal.net> - 2016-02-14 17:12 -0600
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