Re: Newton's 3rd law?

[brian whatcott <inet@INTELLISYS.NET>]

At 16:48 10/19/99 -0500, Ludwik wrote:
> ..."as soon as an object A (magnet or sun) starts
> acting on an object B (iron block, planet) the object B starts acting on A
> with the force of equal magnitude"?  ["A starts acting on B" means that
> B starts experiencing an effect of A. I will clarify this, and the "as soon
> as" at the end.]
>
> I am anticipating a reply in the form of "in whose frame of reference?".
> My answer, without too much thinking, would be "it does not matter".
> It is probably wrong. But where is the error? ...
> Ludwik Kowalski


[In considering a long train moving on an embankment]

"Events which are simultaneous with reference to the embankment are not
simultaneous with respect to the train, and vice versa (relativity of
simultaneity)"

Relativity (A Popular Exposition)
A. Einstein  tr. R W Lawson    Pub: Crown Press NY


Sincerely

brian whatcott <inet@intellisys.net>
Altus OK