ANTIGRAVITY, FORCE OF NATURE THAT LET THE SPINNING DISCS “COMPENSATE” THE INCREMENTAL WEIGHT?

What's the force of nature that let the spinning discs “compensate” the incremental weight? How do the spinning discs know how to compensate and stay the same before and after adding weight? Source: https://www.youtube.com/watch?v=4eYPoMV1Sac&ab_channel=CENTROINSTRUCCIONTECNICADEAERONAVES