IT IS FACT: A
TOP, AS IT IS THE COMMON PRACTICE, ROTATES RATHER
STABLY, WHEN ITS CENTER OF GRAVITY IS ELEVATED ! NEVER
NOTICED BY CLASSICAL MECHANICS, AND NEVER TAUGHT IN
SCHOOLS AND UNIVERSITIES, WHICH SEEMS TO BE A MISSED
KNOWLEDGE OF MODERN SCIENCE.
THE "TIP THE TOP" :
Consists in a section of a sphere fitted
with a short, cylindrical rod, the mast, WITH THE CENTER OF
GRVITY LOWER IT, AS IT IS SHOWN WHEN THE "TOP" IS NOT
ROTATING, EXHIBITING A STABLE POSITION WHEN THE C. OF ITS G.
IS LOWER THAN THE MAST.
However, It shows an amazing behavior when it is spun upon a flat surface: after a few seconds it inverts itself, raising its center of mass, generating the corresponding work of gravity for free!!!, GOING INTO STABLE ROTATION, UNTIL IT STOPS ROTATING.
This is a tip the top filmed with a high speed camera.
It has been filmed with 1200 frames per. sec.
SO IN THE REPLAY, IT APPEARS TO A VERY SLOW EVOLUTION. BE PATIENT.
It is a part of a first year projekt in physics at University of Copenhagen, WITHOUT NOTICING THE GENERATING WORK OF GRAVITY BY RAISING ITS CENTER OF MASS D GRAVITY, and we are trying to explain what happens, which is a lot more difficult than IT LOOKS.