Text 133, 26 rader
Skriven 2004-07-22 18:29:52 av Geo. (1:379/45)
    Kommentar till text 112 av Monte Davis (1:379/45)
Ärende: Re: 35 years ago today
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From: "Geo." <georger@nls.net>

"Monte Davis" <monte.davis@verizon.net> wrote in message
news:ur5vf0106o3epsapkej5m9k5qggmhkn70c@4ax.com...

> I'm not sure what you mean by "the same force is going to try to twist
> the cable." As a climber goes up/out, it's gaining angular momentum;
> the cable keeps nudging it spinward, and by action=reaction the
> climber tries to push that bit of the cable anti-spinward. But it
> *can't*, because of the tension acting as a "restoring force."

Right and that tension transmits the force to the two ends of the cable, one
being securely fastened to earth so it's not going to move and the other
securely fastened to a weight that is attached to nothingness so it's going to
move over time.

>  Imagine the skater has a violin bow in her outstretched hand. An ant
> is crawling out along the catgut. Ant revolves faster, but catgut
> doesn't bow back... too much tension.

both ends are fixed and unmovable in that example.

Geo.

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