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At 13:22 12/19/98 -0500, you wrote:
Jerry's assertion defeats itself. A spaceman would say it is the easiest
Suppose you were standing on a frictionless surface. Could you lean
forward? Could you change the position of your center of mass?
Mervin Koehlinger
Yes for the following conditions:
No. Sorry. You cannot move your center of mass without a force from
outside the body. But you could lean forward. All that would happen is
that your legs would go backward. Ask an astronaut.
J. Epstein
thing in the world to change his C of M in weightless, frictionless
conditions.
By launching upwards. Ask an astronaut.
Brian