[Shotimes] Pontiac unveils SHO successor?

[bjshov8]

The original discussion involved bad weather conditions.  A vehicle on flat
dry pavement with the wheels turned straight ahead requires very little
force to move it directly forwards or directly backwards, but due to tire
traction requires a lot of force to move it sideways.  Now on snow or ice or
to a lesser extent on wet pavement, it requires less force to move it
sideways.  So if you are PUSHING the car there are forces that are acting to
make it want to go sideways slightly, all it takes is to overcome the much
reduced friction and the car goes sideways.  If you PULL the car then there
are no forces acting to make it go sideways, in fact there are forces acting
to make it return to its straight-ahead path.

We have to keep this in mind when designing buildings- you don't want
certain parts of your buildings wanting to go sideways when you push on
them.

Interestingly enough in a RWD car the caster setting of the front end has
similar behavior.  If your caster setting is one way then the steering
naturally wants to return to the straight-ahead position but if your caster
setting is the other way then the steering is unstable and wants to turn one
way or the other.

> Easier to push than pull ???  I want to see you Push a log chain, any
questions ??
>
> Ron Porter <ronporter@prodigy.net> wrote:Not a relevant example. Pencils
don't have wheels or steering.
>
> Try a toy car. No easier to push or pull it.
>
> Better yet, try this. Let's say you are driving with someone, and your car
> dies in the middle lane. Do you push it off the road, or do you pull it
off
> the road?