Re: What is this piece of equipment?

[Brian Whatcott <betwys1@SBCGLOBAL.NET>]

This would be the ideal occasion to demonstrate the different
 energy requirements  of the screw jack versus the hydraulic
 (or pneumatic) jack.
Those of us who are inveterate railers against Physicists as
Theopneust  take every opportunity to recall  that Feynman
was caught in this  minor transgression.

Brian W

At 07:29 AM 6/15/2004, you wrote:
> For those of you who were still wondering what this was...
>
> This device is used in principles of technology class (we taught here
> more than a decade ago). A bottle jack was placed under the middle
> piece. The jack is connected to an air source with a gauge. As the
> pressure is increased in the jack, the middle piece is compresses the
> springs upwards. This whole process is used to measure the work of the
> jack.
> -Tony

> >  <http://physics.k12albemarle.org/what>
> >
> > -Tony
> > = = = = = = = = = = = = = = = = = = = = =
> > Tony Wayne
> > twayne@albemarle.org
> > http://physics.k12albemarle.org


Brian Whatcott    Altus OK    Eureka!