Re: MOMENT OF INERTIA

[Mervin Koehlinger <tchkoehlimw@CRF.CUIS.EDU>]

On Sat, 19 Dec 1998, brian whatcott wrote:

> Jerry's assertion defeats itself. A spaceman would say it is the easiest
>  thing in the world to change his C of M in weightless, frictionless
> conditions.
>    By launching upwards. Ask an astronaut.

Which requires a push from an object outside the astronaut.  To do
otherwise would violate Newton's 2nd Law.

Mervin Koehlinger
Physics Instructor
Concordia Lutheran High School
Fort Wayne, Indiana