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Groups > sci.physics.relativity > #407095
| From | Sylvia Else <sylvia@not.at.this.address> |
|---|---|
| Newsgroups | sci.physics.relativity |
| Subject | Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? |
| Date | 2017-01-29 13:27 +1100 |
| Message-ID | <ef528kFqm0eU2@mid.individual.net> (permalink) |
| References | <o6g8ng$1bvs$1@gioia.aioe.org> <ef291iF9qj7U1@mid.individual.net> <588D51A9.3D3F@ix.netcom.com> |
On 29/01/2017 1:21 PM, The Starmaker wrote: > Sylvia Else wrote: >> >> On 28/01/2017 6:58 AM, HGW, DSc. wrote: >>> To a person on the ground, an object falling to Earth is accelerating, >>> as in dv/dt (ignore air). It also appears to be accelerating relative to >>> Earth when viewed from the moon. ...yet it has been claimed here that >>> the state of free fall is inertial. >>> Note, all massive objects in the universe are freely 'falling' so can >>> their 'reference frames' be regarded as inertial? >> >> A person on the ground is not inertial, so the requirement that the laws >> of physics by the same for all inertial observers does not apply to the >> person on the ground. An inertial body accelerates in the frame of a >> non-inertial observer. >> >> As for massive bodies being inertial, the problem is that, in common >> with all observers, the volume of space regarded as being inertial for >> the observer is that volume where the gravitational field doesn't vary >> significantly in either intensity or direction. A massive body itself >> creates a field that varies in intensity and direction, so the volume of >> space regarded as inertial is much smaller than the body. >> >> Sylvia. > > > > the person on the ground is falling.. > > > people fall in holes... While person is falling into a hole, and not touching anything, they're inertial (ignoring air resistance). Before they started to fall, they were not inertial. When they reach the bottom of the hole, they're again not inertial. Sylvia.
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Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-28 06:58 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Juliana Auerbach <jaot@tognaenn.org> - 2017-01-27 20:15 +0000
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Odd Bodkin <bodkinodd@gmail.com> - 2017-01-27 14:20 -0600
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Juliana Auerbach <jaot@tognaenn.org> - 2017-01-27 20:30 +0000
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-02-02 02:17 +0100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Irvin Starrett <etrrarn@arneir.etr> - 2017-02-02 05:03 +0000
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2017-02-02 12:37 +0100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? moroney@world.std.spaamtrap.com (Michael Moroney) - 2017-01-28 00:48 +0000
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-29 09:44 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Y <yanarchi@hotmail.com> - 2017-02-01 15:03 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Tom Roberts <tjroberts137@sbcglobal.net> - 2017-01-27 14:33 -0600
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-29 10:04 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "Paul B. Andersen" <relativity@paulba.no> - 2017-01-29 10:31 +0100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-30 06:46 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "Paul B. Andersen" <relativity@paulba.no> - 2017-01-29 21:55 +0100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-30 20:40 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "Paul B. Andersen" <relativity@paulba.no> - 2017-01-30 21:20 +0100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-31 20:05 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Juanita Forney <iatiet@oetnnrn.org> - 2017-01-31 10:54 +0000
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-02-01 09:40 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-01-31 10:20 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-02-01 09:27 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-01-31 15:45 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-02-01 11:04 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-02-01 11:12 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-02-01 16:47 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Tom Roberts <tjroberts137@sbcglobal.net> - 2017-01-31 19:42 -0600
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-02-02 06:58 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-02-01 14:42 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-02-02 10:53 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? mlwozniak@wp.pl - 2017-02-01 14:00 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? benj <benj@nobody.net> - 2017-01-30 17:50 -0500
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? xxein1@att.net - 2017-01-30 17:39 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-31 20:08 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Tom Roberts <tjroberts137@sbcglobal.net> - 2017-01-30 09:06 -0600
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-31 20:12 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Sylvia Else <sylvia@not.at.this.address> - 2017-01-28 12:04 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? mlwozniak@wp.pl - 2017-01-28 03:03 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Sylvia Else <sylvia@not.at.this.address> - 2017-01-29 13:26 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? mlwozniak@wp.pl - 2017-01-29 11:40 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-01-28 18:21 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Sylvia Else <sylvia@not.at.this.address> - 2017-01-29 13:27 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-01-29 00:45 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-01-29 11:52 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-01-29 12:51 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-01-29 14:36 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-01-29 18:04 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-01-30 23:42 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Sylvia Else <sylvia@not.at.this.address> - 2017-01-31 20:10 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-01-31 10:17 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-02-01 09:43 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Sylvia Else <sylvia@not.at.this.address> - 2017-02-02 22:44 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-02-02 09:37 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-02-03 08:24 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-02-03 16:59 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Sylvia Else <sylvia@not.at.this.address> - 2017-02-04 12:08 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? benj <benj@nobody.net> - 2017-02-03 20:18 -0500
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-02-03 21:39 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? The Starmaker <starmaker@ix.netcom.com> - 2017-02-04 12:37 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? alsor@interia.pl - 2017-02-04 14:32 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? benj <benj@nobody.net> - 2017-02-03 20:23 -0500
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Sylvia Else <sylvia@not.at.this.address> - 2017-02-04 12:06 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-29 19:50 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Sylvia Else <sylvia@not.at.this.address> - 2017-01-29 19:59 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-30 06:50 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Tom Roberts <tjroberts137@sbcglobal.net> - 2017-01-30 09:25 -0600
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-01-31 20:19 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Juanita Forney <iatiet@oetnnrn.org> - 2017-01-31 10:59 +0000
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Tom Roberts <tjroberts137@sbcglobal.net> - 2017-01-31 10:49 -0600
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? Tom Roberts <tjroberts137@sbcglobal.net> - 2017-01-31 10:44 -0600
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-02-01 10:10 +1100
Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-01-30 19:03 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? alsor@interia.pl - 2017-01-31 10:43 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-02-01 10:12 +1100
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? alsor@interia.pl - 2017-02-01 11:46 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? JanPB <filmart@gmail.com> - 2017-01-31 15:20 -0800
Re: Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "HGW, DSc." <HG@....> - 2017-02-02 07:00 +1100
Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-02-01 12:13 -0800
Let's Get This Straight. Is Free Falling 'Inertial' or Is it NOT? "David (Lord Kronos Prime) Fuller" <fuller.david@hotmail.com> - 2017-02-01 12:18 -0800
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