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From: ewiles@netex.UUCP (Ed Wiles)
Newsgroups: net.physics
Subject: Re: cancelling forces
Message-ID: <116@netex.UUCP>
Date: Sat, 21-Sep-85 14:17:31 EDT
Article-I.D.: netex.116
Posted: Sat Sep 21 14:17:31 1985
Date-Received: Sun, 29-Sep-85 05:38:35 EDT
References: <546@sri-arpa.ARPA>
Organization: NetExpress, Inc., Vienna, VA
Lines: 22
Summary: Push-Me, Pull-you Robots!

In article <546@sri-arpa.ARPA>, sloan@uw-tanga.arpa writes:
> From:  Kenneth Sloan 
> 
>	[omitted]
>
> Here's the question...  If I place them on opposite sides of the box,
> the pushes will cancel.  Now I appear to be getting no energy out of
> this system, at least not in the form of a moving box.  I am still
> putting as much energy into the system.  All I did was move one of the
> devices.  What is happening to the energy?  Is there an output in
> another form of energy?  Is it building up in one of the devices
> somewhere?
> 
> -Ken Sloan

You bet! The energy is being translated into heat, inside the drive
devices of the robots. (Carefull, you may melt down!)  Eventually, the
heat would have to be radiated, in some fashion, to the universe at
large. (Entrophy wins again!)  I suggest you look up the laws of
Thermodynamics.

				E. L. Wiles