Re: Name that force

[Kari Uolevi Eloranta <kariuolevi@NETSCAPE.NET>]

I think the viscosity of water plays a role  in acceleration, also. So, for
the total effect, you have to consider both the viscosity and
interactions with
the walls.

Terveisin, Kari Eloranta, Finland


britton@ncssm.edu wrote:

> The force is the impact of each raindrop that hits the BACK wall of
> the car or the FRONT of the FRONT wall of the car.
>
> Relative velocity of the drops is slanted backwards, from the car's
> point of view.
>
>
> OK, ya'll, at 9:24 AM -0800 10/28/03, Ludwik Kowalski wrote:
>
> > On Tuesday, Oct 28, 2003, at 06:11 US/Pacific, sampere wrote:
> >
> > >  How do wheels roll on a friction free surface?  What force makes them
> > >  roll?
> > Suppose the car was already rolling (under
> > ordinary conditions) and then entered an ideal
> > world without friction. The wheels continue to
> > turn in contact with a friction-free track.
> > Ludwik Kowalski
>
>
>
> --
> Chuck Britton                                   Education is what is
> left when
> britton@ncssm.edu                       you have forgotten everything
> North Carolina School of Science & Math         you learned in school.
> (919) 416-2762                                  Albert
> Einstein,        1936