[Phys-L] Re: fluid

[John Mallinckrodt <ajm@CSUPOMONA.EDU>]

Oops. Should'a checked the inbox before sending that last message.

JD wrote:

> You can't lift the straw with one finger in this situation.
>
> Usually three fingers are used:
>    Pinch the sides of the straw between finger #0 (thumb) and finger #2.
>    Seal the top of the straw with finger #1.
>
> The static friction against the sides of the straw lifts the straw.

--
John "Slo" Mallinckrodt

Professor of Physics, Cal Poly Pomona
<http://www.csupomona.edu/~ajm>

and

Lead Guitarist, Out-Laws of Physics
<http://www.csupomona.edu/~hsleff/OoPs.html>
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