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Re: [Phys-l] starting a swing



Yes. "Perfectly smooth" is a euphemism for frictionless.
Regards,
Jack

On Sun, 8 Feb 2009, Stefan Jeglinski wrote:

Here is a somewhat analogous situation. You are standing on a large sheet
of cardboard on a perfectly smooth floor.

Is that a euphemism for frictionless, I assume?

Take the cardboard as massless.
Can you change your location on the floor?


Stefan Jeglinski
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