[rollei_list] Re: OT "the price of gasoline"" (was: Cost of LF
- From: David Seifert <dseifert@xxxxxxxxxxxx>
- To: rollei_list@xxxxxxxxxxxxx
- Date: Fri, 22 Apr 2005 10:25:26 -0700
Ardeshir Mehta wrote:
>On Friday, April 22, 2005, at 10:00 AM, A. Lal wrote:
>
>
>
>>>You may have forgotten, but the laws of physics not only do not
>>>PROHIBIT perpetual motion, they DEMAND it! One CANNOT stop and
>>>electron in an atom from moving around the nucleus.
>>>
>>>
>>Please Ardeshir, not this again.
>>
>>
>
>Prove that it ain't so, then!
>
>Just because something is said again (and again) doesn't make it false,
>now does it.
>
>Cheers.
>
>
Ardeshir,
What, exactly, do you mean by the term "perpetual motion"? The classic
defintion is something that is capable of moving against gravity
indefinitely with no apparent influx of energy.
Let us use, as an analogy, planetary motion. The moon orbiting the
earth, for example. According to your assertion, this would be an
example of perpetual motion. The moon is actually falling toward the
earth due to gravitational forces but it's speed is high enough to keep
it balanced in orbit. Gravity is NOT perptual motion.
An electron "orbiting" a nucleus is a quantum mechanical effect which by
definition has nothing to do with nor is it affected by gravity.
Therefore it is not perptual motion according to the classical defintion.
David
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