Re: [DIYbio] Re: Physics of recoil

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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