RE: [CAD_CAM_EDM_DRO] Re: Ounce-Inches, WAS Frozen stepper motor shaft

Yes, that is another way of writing it-I have seen it used, but it is
usually in textbooks, and the "dot" is not at the bottom, but at the
middle of the line.

Lb-ft and ft-lbs, though they are the same "units" are actually very
different.

Work is measured in how hard you push it(lbs) and for how far(ft).

Torque is measured by how hard it is pushing(lbs) at what distance FROM
the center of rotation(ft).

This can be quite confusing, huh?

As far as your question about whether there are correct units, or only
ones that work, I would say that the "ones that work" are fine, unless
you want to be able to extrapolate, and use the knowledge you gain for
anything else. In that case, you should be using the "correct units".

Andy Wander
Verrex Corporation

-----Original Message-----
From: CAD_CAM_EDM_DRO@yahoogroups.com
[mailto:CAD_CAM_EDM_DRO@yahoogroups.com] On Behalf Of Chris Horne
Sent: Sunday, January 22, 2006 9:40 AM
To: CAD_CAM_EDM_DRO@yahoogroups.com
Subject: [CAD_CAM_EDM_DRO] Re: Ounce-Inches, WAS Frozen stepper motor
shaft

I always thought is was
oz.in
where the dot represents a multiplication

what I dont quite get is the difference between
(foot.pounds) and (pounds.foot) they are used in different contexts of
work and angular moment.

does this mean that we should use
oz.in (ounce inch) meaning angular moment and in.oz (inch ounce)
meaning work

or since they are actually the same numerically are they
interchangeable?

Are there any correct answers, or just ones that work ?

Chris

--- In CAD_CAM_EDM_DRO@yahoogroups.com, "Andy Wander" <awander@v...>
wrote:

>
> Not to mention the fact that "units" are NEVER "something minus
> something".
>
> But they are often "something divided by something" or "something
> times something". The latter is almost always called "something
> something" and is written either with the dash, or just as the two
> words. And the former is written "something / something" and stated as

> "something per something".
>
> Andy Wander
> Verrex Corporation

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