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Re: [Phys-l] circular motion FBD




On 2011, Nov 01, , at 10:12, Bob Sciamanda wrote:

Hi John,
I am envisioning that the walker lifts and extends a foot, and then lowers
it to the ground with a backward swing,

I don't walk that way, do you, really?

bc thinks horses do, à la Muybridge*, in a gallop**. also I suppose track stars too.

p.s. get out your high speed cameras.

*
http://en.wikipedia.org/wiki/Eadweard_Muybridge






** wrong, it appears for all, but the walk and the fore feet in the pace, force is rearward


http://www.youtube.com/watch?v=LrmWtGXK4Q4