sci.physics.electromag

maxwell wrote:


>
> Not at all. Pulleys etc rely on a theory of gravity that IS linked to
> our macro sensations of effort. Incidentally, why do our muscles get
> tired when they hold up a weight that never moves? No displacement,
> no work, no energy - right?

Wrong. It tekes sugar metabolism to produce tension in the muscle that
produces the counterforce to gravitation. There is no net work on the
outside, but there is chemical work applenty to make the muscles do
their thing.

Have you noticed how supericial your thinking is?

Bob Kolker