Re: [Phys-l] pseudo-force

["Bob Sciamanda" <trebor@winbeam.com>]

This question re-opens an old can of worms, but . . .

Such a question must be answered (and asked) only within a particular 
conceptual model.

EG:
The Newtonian model defines the concept of "force" as an inter-particle 
interaction embodying the three "laws" of motion.
The "centrifugal force" observed in a rotating frame is called pseudo (or 
fictitious) because it does not fit the above - in particular it is not 
aptly described as an interaction between two objects;  there is no 
"forcing" agent for the observed effect.

Bob Sciamanda
Physics, Edinboro Univ of PA (Em)
http://www.winbeam.com/~trebor/
trebor@winbeam.com
----- Original Message ----- 
From: "John Denker" <jsd@av8n.com>
To: "Forum for Physics Educators" <phys-l@carnot.physics.buffalo.edu>
Sent: Thursday, October 26, 2006 3:04 AM
Subject: [Phys-l] pseudo-force


> Some questions:
>
>  What do people mean by the term "pseudo-force"?
>
>  Is a pseudo-force a force?
>
>  Why is it called a pseudo-force?
>
>  Is this concept crucial/useful/marginal/unhelpful?
>
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