On Thu, 20 Dec 2007 09:03:23 -0800 (PST), art
wrote:

For those that feel that mechanical laws of Newton cannot be used with
respech to electrical subjects( ala Roy) here is a chance for you to
prove your point.

Hi Arthur,

Newton's law:
F = M · A
these FMA terms a
F is force in Newton;
M is mass in kilogram;
A is acceleration in meter / second / second.

We can compute the force on a 10 meter long, 10 kilogram antenna
accelerated by earth's gravity field:
F = 10 kilogram · 9.8 · meter / second / second
or (reduced):
98 kilogram · meter / second / second

When we add 100 Watts of power (for however long), it is clear that
Mass doesn't change. Or perhaps you can tell us how much.

When we add 100 Watts of power (for however long), it is clear that
Acceleration due to gravity doesn't change. Or perhaps you can tell
us how much.

There are only two variables to find Force in Newton's laws. How much
does 100 Watts change Mass or Gravity? I really don't expect you can
answer that because it is too simple: one or both numbers provided
above will be different, that is all. Can you give us something as
specific as I have? In other words, for 100 Watts applied to a 10
meter long, 10 kilogram antenna, will its Mass change to
11 kilogram
or
9 kilogram?
Or will gravity change to
9 · meter / second / second
or
8 · meter / second / second?

Only one or two very specific numbers have to shift here. Can you
tell us which or how much? This is, after all, your topic, your math,
your profession, and your chance to prove your point.

73's
Richard Clark, KB7QHC