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Re: Propellant fluid dynamics at zero-g



on 1/10/01 8:20 PM, Richard D. Burgan at wc8j@raex.com wrote:

> While whirling a ball (or other small mass) on a
> string around you.  Let go of the string.  Which way does the ball go?  Don't
> do
> this in a china shop!

The ball will go in a direction tangential to the point on the circle of
rotation where you let it go.

There are forces that do exist on the ball and on the string, but the are
forces that result from other actions or forces.

73,

Jon
NA9D

-------------------------------------
Jon Ogden
NA9D (ex: KE9NA)

Member:  ARRL, AMSAT, DXCC, NRA

http://www.qsl.net/ke9na

"A life lived in fear is a life half lived."

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