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Re: [Phys-l] rotational dynamics +- straight-line dynamics

On 08/20/2008 08:28 AM, Bob Sciamanda wrote:

The homogeneity and isotropy of space and time are (usually unspoken)
axioms, built into Newton's vectorial laws of motion.

Well, which is it? Are homogeneity and isotropy "unspoken axioms", or
are they consequences of the simple Newtonian laws of motion?

*) If they are consequences of the simple Newtonian laws of motion,
then it would be unnecessary and improper to make them axioms also.

*) If they are properly axioms, that means they're not "built into"
the simple Newtonian laws of motion.