visualisation of the lift distribution over a wing

In article ,
Jim Logajan wrote:

Scott wrote:
Alan Baker wrote:
In article ,
Scott wrote:

Alan Baker wrote:

Observation can lead you astray: and that is clearly the case here
if you actually think that air can *pull* on a surface.

Why can't air PULL on a surface? Air is made up of molecules.
Molecules have mass. Anything with mass can attract anything else
with mass, can't it?

Gravity?

You're not serious.

Anti-gravity in this case. If air can push something, why can't it
pull something?

No need to postulate anti-gravity to find a case where air can "pull" on a
surface - just invoke van der Waals force! :-)

Please, don't!

--
Alan Baker
Vancouver, British Columbia
http://gallery.me.com/alangbaker/100008/DSCF0162/web.jpg