Re: The Wheels/Track Paradox

From	Reginald Ehrett <chasi@competence.org>
Newsgroups	sci.physics.relativity, sci.physics
Subject	Re: The Wheels/Track Paradox
Date	2015-08-30 09:53 +0000
Organization	Advanced Metallurgy, The Institute
Message-ID	<mrujpu$sl5$1@speranza.aioe.org> (permalink)
References	(3 earlier) <6ea5b395-5069-472a-aa50-d7e5adb60c7a@googlegroups.com> <763d69d8-5580-47b2-a892-335dc875f274@googlegroups.com> <c5869ca5-d71a-4594-8e5c-a64c628eb967@googlegroups.com> <b4fc4eba-de55-42a1-8922-d3fca9fc063f@googlegroups.com> <c63f32be-275c-4172-a5cb-873fc05f611e@googlegroups.com>

Cross-posted to 2 groups.

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pnalsing wrote:

>> <sigh>. If you *really* meant that type of wheel (train wheel), then
>> yes, the part below the rail does go backwards. But that was not the
>> topic. Topic was about a "wheel" rolling on the ground, meaning that no
>> parts are below the ground...
> 
> Well, the title of this post is "The Wheels/Track Paradox", which seems
> to imply a railroad car wheel, running on a track.
> 
> In my initial post I clearly said "If you are talking about the wheel of
> a railroad vehicle"... my point was, no matter how fast this wheel
> travels down the track, poart of it is always going backwards wrt the
> track, a simple enough concept.

Ok pnalsing, you were right. Thanks, I never saw the train wheel like 
that. It must undergo enormous stress at any instance of time. Of course 
this is just another bottleneck, beside the above. If you want trains to 
go faster, you need something else, different from wheels. Good point.

Thread

The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-28 12:47 +0000
  Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-28 12:51 +0000
    Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 15:58 +0000
      Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 16:00 +0000
        Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 17:22 +0000
          Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 17:35 +0000
            Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 19:27 +0000
  Re: The Wheels/Track Paradox Double-A <double-a3@hush.com> - 2015-08-28 12:30 -0700
    Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-28 19:55 +0000
      Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 09:53 +0000
        Re: The Wheels/Track Paradox Sam Wormley <swormley1@gmail.com> - 2015-08-30 15:43 -0500
  Re: The Wheels/Track Paradox Lofty Goat <rlwatkins@gmail.com> - 2015-08-28 16:30 -0500
    Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 10:15 +0000
      Re: The Wheels/Track Paradox pcardinale@volcanomail.com - 2015-08-29 06:33 -0700
        Re: The Wheels/Track Paradox john <johnsefton288@gmail.com> - 2015-08-29 07:59 -0700
          Re: The Wheels/Track Paradox Odd Bodkin <bodkinodd@gmail.com> - 2015-08-31 08:43 -0500
            Re: The Wheels/Track Paradox HVAC <Mr.HVAC@gmail.com> - 2015-08-31 10:32 -0400
              Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-31 18:43 +0000
                Re: The Wheels/Track Paradox HVAC <Mr.HVAC@gmail.com> - 2015-08-31 14:58 -0400
      Re: The Wheels/Track Paradox Lofty Goat <rlwatkins@gmail.com> - 2015-08-30 12:18 -0500
        Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 17:24 +0000
          Re: The Wheels/Track Paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2015-08-30 13:56 -0500
            Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 19:20 +0000
              Re: The Wheels/Track Paradox "nuny@bid.nes" <Alien8752@gmail.com> - 2015-08-31 12:36 -0700
                Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-31 19:56 +0000
                Re: The Wheels/Track Paradox "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-08-31 13:29 -0700
  Re: The Wheels/Track Paradox xxein1@att.net - 2015-08-28 15:29 -0700
    Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 10:34 +0000
    Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 10:38 +0000
  Re: The Wheels/Track Paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2015-08-28 20:22 -0500
    Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 10:08 +0000
      Re: The Wheels/Track Paradox moroney@world.std.spaamtrap.com (Michael Moroney) - 2015-08-29 11:23 +0000
        Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 11:50 +0000
          Re: The Wheels/Track Paradox "Photon Beam" <none@gmail.com> - 2015-08-29 08:03 -0700
      Re: The Wheels/Track Paradox Tom Roberts <tjroberts137@sbcglobal.net> - 2015-08-29 13:51 -0500
        Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 19:27 +0000
          Re: The Wheels/Track Paradox "nuny@bid.nes" <Alien8752@gmail.com> - 2015-08-29 12:55 -0700
          Re: The Wheels/Track Paradox Double-A <double-a3@hush.com> - 2015-08-29 13:05 -0700
            Re: The Wheels/Track Paradox Margarita Cibulkova <margac@terraspace.au> - 2015-08-29 20:18 +0000
        Re: The Wheels/Track Paradox jaymoseley@hotmail.com - 2015-08-29 18:18 -0700
    Re: The Wheels/Track Paradox jaymoseley@hotmail.com - 2015-08-29 11:49 -0700
  Re: The Wheels/Track Paradox "reber g=emc^2" <herbertglazier0@gmail.com> - 2015-08-29 12:39 -0700
    Re: The Wheels/Track Paradox HVAC <Mr.HVAC@gmail.com> - 2015-08-29 16:20 -0400
      Re: The Wheels/Track Paradox john <johnsefton288@gmail.com> - 2015-08-29 14:38 -0700
        Re: The Wheels/Track Paradox noTthaTguY <abu.kuanysh05@gmail.com> - 2015-08-29 21:13 -0700
        Re: The Wheels/Track Paradox jaymoseley@hotmail.com - 2015-08-30 05:35 -0700
          Re: The Wheels/Track Paradox noTthaTguY <abu.kuanysh05@gmail.com> - 2015-08-30 08:36 -0700
  Re: The Wheels/Track Paradox Sylvia Else <sylvia@not.at.this.address> - 2015-08-30 14:44 +1000
    Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 10:21 +0000
    Re: The Wheels/Track Paradox jaymoseley@hotmail.com - 2015-09-01 02:45 -0700
  Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 10:04 +0000
  Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 13:34 +0000
    Re: The Wheels/Track Paradox Reginald Ehrett <chasi@competence.org> - 2015-08-30 15:35 +0000

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