That doesn't mean anything. As a pivot point it is merely a fulcrum if
reaction mass is expended, according to Newton's Third Law. Since the
rider on the swing is at a standstill, and has no way to push against
anything, how do they develop the significant levels of momentum they
do?
-- TANSTAAFL!!! Michael Lorrey ------------------------------------------------------------ mailto:retroman@tpk.net Inventor of the Lorrey Drive Agent Lorrey@ThePentagon.com Silo_1013@ThePentagon.com http://www.tpk.net/~retroman/Mikey's Animatronic Factory My Own Nuclear Espionage Agency (MONEA) MIKEYMAS(tm): The New Internet Holiday Transhumans of New Hampshire (>HNH) ------------------------------------------------------------ #!/usr/local/bin/perl-0777---export-a-crypto-system-sig-RC4-3-lines-PERL @k=unpack('C*',pack('H*',shift));for(@t=@s=0..255){$y=($k[$_%@k]+$s[$x=$_ ]+$y)%256;&S}$x=$y=0;for(unpack('C*',<>)){$x++;$y=($s[$x%=256]+$y)%256; &S;print pack(C,$_^=$s[($s[$x]+$s[$y])%256])}sub S{@s[$x,$y]=@s[$y,$x]}