Re: [DIYbio] Re: Physics of recoil

On Sat, Mar 10, 2012 at 9:11 PM, Simon Quellen Field <sfield@scitoys.com> wrote:
> It isn't being transferred to the wall.
> You are just heating up your environment.
>
> But a better example is the brick exerting a force on the sidewalk.
> Neither one sweats.
> But the brick is exerting a force on the sidewalk, and the sidewalk is
> exerting an equal and opposite force on the brick.

So gravity (constant force) vs no gravity doesn't effect the longevity
of materials? I.e. two equivalent steel beams, one stored in vacuum on
earth vs one stored in sub-gravity orbit for years and years....
assuming no oxidation, ionization, and only atomic decay.... the force
difference over the items' lives wouldn't have any molecular effect
(and I would assume that would imply energy transfer) ?

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> On Sat, Mar 10, 2012 at 5:41 PM, Nathan McCorkle <nmz787@gmail.com> wrote:
>>
>> On Sat, Mar 10, 2012 at 6:23 PM, Simon Quellen Field <sfield@scitoys.com>
>> wrote:
>> > When a bullet is fired, half the energy does not go into the gun.
>> > Newton's third law is about force, not energy.
>> > When you push against a wall, it pushes back with equal force, or else
>> > something
>> > will move. Only when something moves has work been done, or energy
>> > transferred.
>>
>> :)
>>
>> Why do I sweat when I push on a wall then? Isn't that an effect
>> (side-effect?) of
>> energy transfer?
>>
>> --
>> Nathan McCorkle
>> Rochester Institute of Technology
>> College of Science, Biotechnology/Bioinformatics
>>
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--
Nathan McCorkle
Rochester Institute of Technology
College of Science, Biotechnology/Bioinformatics

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