AVR-Chat

No, the buoyancy of a submerged object does not increase with
depth because water density does not increase with depth(not much anyway).
The buoyancy is proportional to the differential pressure across the object.

Jim Wagner wrote:
>
>
> But water density increases with depth, and thus apparent buoyancy
> increases as the water gets deeper.
>
> Jim Wagner
> Oregon Research Electronics
>
> On May 14, 2009, at 5:28 PM, Graham Davies wrote:
>
> >
> >
> > --- In AVR-Chat@yahoogroups.com <mailto:AVR-Chat%40yahoogroups.com>, 
> "Brian" <blue_eagle74@...> wrote:
> > >
> > > ... a pressure sensor at the top
> > > of the tank and a rod extending
> > > down into the tank with a plastic
> > > ball fixed at the end. the higher
> > > the water level the more force on
> > > the sensor.
> >
> > Are you suggesting that the force of buoyancy on the plastic ball
> > will increase as the water level increases? You might want to have a
> > word with Archimedes about that.
> >
> > Graham.
> >
> >
> >
>
> [Non-text portions of this message have been removed]
>
>