Re: Weight and Mass

[Bernard Cleyet <anngeorg@PACBELL.NET>]

Yes (sensitivity adjustment of equal arm balance), but I haven't been able to
find the nit.  Please explain.

Panzers,

bc

brian whatcott wrote:

> It's no good: I manfully resisted nit picking.
> But this was one balance too far.
> The archetype of the scientific scale is the chemical balance.
> The beam balance carries a lightweight pointer which can be made to register
> milligram disparities on the pans.
> This scale is sensitive to gross changes in the value of g
> in that it is set up by varying the vertical distance between pan suspension
> edges and central edge.
>
> Brian W
>
> At 00:37 9/26/01 -0700, you wrote:
> > There is such an elevator (or was).  The (an) elevator in the building
> housing
> > Physics at UCSB.
> >
> > bc   who "earned" two degrees from UCSB.
> >
> > P.s. The first has something to do with Etvos.  A Hungarian.
> >
> > Gene Mosca wrote:
> >
> > > I like to ask students to consider an elevator carrying a platform balance
> > > with an object on one platform, balanced by some calibrated "masses" on the
> > > other.  On the same elevator is an identical object being suspended
> > > (supported) by a spring scale.  Now ask questions about the effect of
> > > varying the acceleration on the balance reading and on the spring-scale
> > > reading.
> > >
> > > It is of interest that the balance reading is independent of the
> > > acceleration (unless the acceleration is the free-fall acceleration).
> It is
> > > ironic that there is a sign on many balances reading "No springs, honest
> > > weight."
> > >
> > > --
> > > Eugene P. Mosca
> > > Physics Department
> > > MI350-B
> > > United States Naval Academy
> > > (410) 293-6668
> brian whatcott <inet@intellisys.net>  Altus OK
>                 Eureka!