Re: Two kinds; three measures

From: Donald G. Shead (dcshead_at_charter.net)
Date: 07/15/04


Date: 15 Jul 2004 15:53:19 -0700


"Robert J. Kolker" <robert_kolker@hotmail.com> wrote in message news:<62wJc.96884$Oq2.20547@attbi_s52>...
> Donald G. Shead wrote:
>
> >
> > There are only three fundamental quantities: They are Length; Force,
> > and Time:
>
> What about electrical charge?

Do you mean what you get with two theoretically parallel wires of
infinite length and negligible cross section spaced one meter apart,
or what you actually get from stroking a cat or a rosined rod?

What about luminesence?

You can get that from vigorously rubbing two sticks together, or from
lots of pounding, bending or otherwise stressing metal: Look, but if
you touch, or look too close, you may get burnt.

 What about mass in
> the middle of nowhere?
>
Oh come now Bobby: Are you saying that weightless masses don't have
inertia? You must know by now, that the ratio of a force exerted on
and/or by any mass divided by the acceleration that it causes is a
measure of the quantity of matter in that mass; anywhere, anytime. Or
must I go over it all again?

> Bob Kolker



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