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Re: Boom and Crane

Zosimo,
Regarding your recent message:

Date: Tue, 1 Oct 1996 15:17:26 +0800 (GMT+0800)
Reply-to: phys-l@mailer.uwf.edu
From: "Villa . Zosimo Oscar P. Jr." <ocavilla@pusit.admu.edu.ph>
To: phys-l@atlantis.cc.uwf.edu
Cc: phys-l@atlantis.cc.uwf.edu
Subject: Boom and Crane

First, a sketch:
|\ This is a boom-crane arrangement I used in the lab to
| \ illustrate vertical and horizontal components of vectors.
| \ I guess it gives them a chance to verify vector components
| \ but that isn't my problem.
| \ Q : Why is the boom-crane arangement a good machine?

It would be good for this use.
| \ Q : Is it ideal that the ===== be horizontal when in use?

Yes. If your goal is to illustrate horizontal and vertical
components, then the ====== must be horizontal.
======| Q : What makes it effective/efficient/useful?

It would be good if you could measure the tensions in the various
members.

Hope this helps.






Steven T. Ratliff
Associate Professor of Physics
Northwestern College
3003 Snelling Av. N.
Saint Paul, MN 55113-1598

Internet: stratliff@nwc.edu (or str@nwc.edu)