Torque question

KUNZ,BOB (HP-Boise,ex1) bob.kunz at hp.com
Tue Dec 2 16:21:58 EST 2003


Hairy red toads from Jupiter made Wally Choate say:

> It was a REAL struggle for me to understand during my college days, but
> the fact is, torque applied to one end of a tool such as the #2079 will be
> exactly the same on the other end of the tool no matter how long that tool
> is.
> Almost everyone in the long string agrees to the fact that force applied
> to one end of a beam multiplied by the distance equals torque.  The
> struggle is trying to understand that torque (moment) is a constant when
> applied to one end of a beam along the entire length of that beam.
> For reference please see Strength of Materials 2nd addition page 212 by
> Ferdinand L. Singer.
> 

That may be true but we are not applying a torque at the end of the 2079
tool. This joint is not the rotational axis of the combined tool. We are
applying a force that is measured as a torque by the wrench. The rotational
axis is still at the socket end attached to the crank bolt.

You're mixing things here so that's why things stay confusing.

--bob


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