Article View: sci.physics.relativity
Article #869Re: A Conservative Force Law from Nothing (A Bit of Fun)
From: Pentcho Valev
Date: Sat, 02 Jan 2010 07:38
Date: Sat, 02 Jan 2010 07:38
30 lines
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2677 bytes
On Jan 2, 5:54 am, Tom Roberts <tjroberts...@sbcglobal.net> wrote in sci.physics.relativity: > Jenny wrote: > > On Jan 1, 3:33 pm, eric gisse <jowr.pi.nos...@gmail.com> wrote: > >> A force is conservative if F = -grad (some potential). > > [...] The "-" sign makes no > > difference to the "numerology". > > Not true. The minus sign is ESSENTIAL. Otherwise there would be a force pushing > an object to a higher energy state, and all sorts of fundamental physical laws > would be violated. For example, with such a "force" it would be dead easy to > build a perpetual motion machine that generated arbitrary amounts of free energy. Honest Roberts, a perpetual motion machine that generates an unlimited amount of energy out of nothing is a direct corollary of Einstein's 1905 false light postulate. The very long rod trapped inside a very short container would exert such a force on the doors of the container that Einsteinians, by harnessing this force, would be able to solve all energy problems of humankind: http://groups.google.com/group/sci.physics.relativity/browse_frm/thread/5fd35b8b38f2a49d? EINSTEINIANA AS PERPETUUM MOBILE Pentcho Valev pvalev@yahoo.com
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X-Google-Thread: 237b8ad48,1f616c8f4f247a1f,start X-Google-Attributes: gid237b8ad48,public,usenet X-Google-NewGroupId: yes X-Google-Language: ENGLISH,ASCII Path: arc1-ca.pugleaf.net!g2news1.google.com!postnews.google.com!s3g2000yqs.googlegroups.com!not-for-mail From: Pentcho Valev <pvalev@yahoo.com> Newsgroups: sci.physics.relativity,sci.physics,fr.sci.physique,fr.sci.astrophysique Subject: Re: A Conservative Force Law from Nothing (A Bit of Fun) Date: Fri, 1 Jan 2010 23:38:05 -0800 (PST) Organization: http://groups.google.com Lines: 30 Message-ID: <f62b125b-3354-4b4e-a9a1-a9a9e97866d9@s3g2000yqs.googlegroups.com> References: <fb369bfa-fc51-4cd4-996a-460448893bb5@h9g2000yqa.googlegroups.com> <hhlpng$7i0$1@news.eternal-september.org> <3e22c153-2ad0-4b3b-ba37-362cb15b71f8@j24g2000yqa.googlegroups.com> <nYCdnQZijssSXqPWRVn_vwA@giganews.com> NNTP-Posting-Host: 89.215.201.41 Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Trace: posting.google.com 1262417885 29870 127.0.0.1 (2 Jan 2010 07:38:05 GMT) X-Complaints-To: groups-abuse@google.com NNTP-Posting-Date: Sat, 2 Jan 2010 07:38:05 +0000 (UTC) Complaints-To: groups-abuse@google.com Injection-Info: s3g2000yqs.googlegroups.com; posting-host=89.215.201.41; posting-account=Lz-LbgoAAABPDavKeW-eYeobwLHD_cvQ User-Agent: G2/1.0 X-HTTP-UserAgent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; AskTB5.5),gzip(gfe),gzip(gfe)