Re: [Phys-L] field of an ellipsoidal distribution

["Bob Sciamanda" <treborsci@verizon.net>]

The equator is but a line and the pole is but a dot.  Each can have a lake 
confined to its geometry.  :)

-----Original Message----- 
From: A. John Mallinckrodt
Sent: Sunday, August 16, 2015 2:25 PM
To: <Phys-L@Phys-L.org>
Subject: Re: [Phys-L] field of an ellipsoidal distribution

That's a necessary, but not sufficient condition.  There's no "horizontal" 
component at the poles either, but you can't have "lakes" there.

John Mallinckrodt

Bob Sciamanda wrote:

> That's cuz the centrifugal force has no (bothersome) "horizontal" 
> component at the equator.
>
> -----Original Message----- From: A. John Mallinckrodt
>
> > Now let's consider a different case, namely a rigid, strictly
> > spherical, spinning earth.  You can't ask what happens to a
> > table floating in a lake, because there can't be any lakes.
>
> Nitpick (without significant consequence, but interesting to consider): 
> Technically, you actually can have a "lake" encircling the globe about the 
> equator.
>
> John Mallinckrodt

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Bob Sciamanda
Physics, Edinboro Univ of PA (Em)
treborsci@verizon.net
www.sciamanda.com