RE: [DMCForum] Re: You're both wrong! Attn: Rick/Martin
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RE: [DMCForum] Re: You're both wrong! Attn: Rick/Martin



>(Is the expenditure of energy, "WORK" even if nothing is moving?)
>In holding the wrench to 20 ft/lbs. and expending energy, are you
>conducting "work" even though you're not turning the bolt?
>He says yes, "technically". What say you? Consider: If your robot is
>struggling against an obstacle or another robot, but not moving it is
>expending energy, but is it working?


While you are expending energy in your muscles you are not actually doing
any mechanical work since nothing was displaced, meaning the bolt didn't
move.  Mechanical work being defined as Work = Force times Distance.

I just found this site with some basic definitions and explanations.

http://www.glenbrook.k12.il.us/gbssci/phys/Class/energy/u5l1a.html


Greg


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