Path: ...!news.mixmin.net!weretis.net!feeder8.news.weretis.net!fu-berlin.de!uni-berlin.de!news.dfncis.de!not-for-mail
From: wugi <wugi@brol.invalid>
Newsgroups: sci.physics.research
Subject: Re: The SR between reality and appearance
Date: 9 Apr 2024 07:00:40 GMT
Organization: A noiseless patient Spider
Lines: 32
Approved: hees@itp.uni-frankfurt.de (sci.physics.research)
Message-ID: <uv13es$3j5rt$2@dont-email.me>
References: <ucsdfl$3o3m4$1@dont-email.me> <ucvlrn$fdf0$1@dont-email.me>
 <uujju8$3u7js$1@dont-email.me> <uuukn4$2tf1l$1@dont-email.me>
X-Trace: news.dfncis.de qqIcCHPzOie84J0g0n2mtADxD5dKbDyQEtma4K8t8Td6alyj5YhNVIx4eWYmCVOnlV
Cancel-Lock: sha1:UvJvKj2L++FPLYnp79RmdkyJ0Y0= sha256:KY2uY64e0fiJP1Ef426pUpsoBl2v7beRz5Nsxmd/Ej4=
Bytes: 2131

Op 8/04/2024 om 8:54 schreef Luigi Fortunati:
> wugi il 04/04/2024 23:24:16 ha scritto:
>>> I am so naive that I have always believed that the man on the in
>>> movement carousel feels the rotational force of the carousel and not
>>> that of the Earth + Universe.
>>
>> (A late one). He feels the reaction force by Earth+Universe upon the
>> carousel's rotational action, transmitted through the carousel's
>> foundation and its own stiffness.
> 
> What does the reaction force of the Earth+Universe to the rotating
> action of the carousel have to do with the man on the carousel?
> 
> The man on the spinning carousel acts-reacts only with the carousel,
> not with the Earth+Universe!
> 
>> Compare with the water in the bucket, which doesn't feel the bucket's
>> swinging action, but rather the reaction upon the bucket by the rope, by
>> the hand, by the person swinging the bucket around, by the floor
>> retaining his feet, by Earth, ...
> 
> Here too, the only force that the water in the bucket feels is the
> force of friction with the walls of the bucket and not that of the
> hands, the rope or the Earth+Universe.

Better back to your drawing board. Litterally.
Try to draw all intervening action/reaction pairs and check if you 
haven't sent some force to "nowhere" ;)

-- 
guido wugi