Quote:
Originally Posted by Jerry Clayton
There is no such thing as VARIBLE MASS----a fiqure skater does not change mass as they pull in there arms/leg----------
An engine on acceleration cannot reduce the radius of the mass as a fiqure skater does during a spin----------
A figure skater is considerably LESS than ONE horse power, however, can and maybe does benefit from variable rotational radius during a spin and variable stroke with the judges before/after contest-------------
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Air resistance (drag) of flailing limbs reduces speed.
Removing this resistance force, by tucking in, aids the acceleration.
As per above eg: It's about factoring in all things, and not closing your mind to prove/justify a hypothesis, just because it's the perceived norm
