Balance Beam

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balance beam

[′bal·əns ‚bēm]
(civil engineering)
A long beam, attached to a gate (or drawbridge, and such) so as to counterbalance the weight of the gate during opening or closing. Also known as balance bar.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Balance Beam

 

a piece of equipment used in women’s gymnastics for exercises in equilibrium. The balance beam is a horizontally placed bar, 5 meters long, 16 cm high, and 10 cm wide, supported by poles 120 cm high.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

balance beam, balance bar

A long beam, attached to a gate (or drawbridge, etc.) so as to counterbalance the weight of the gate during opening or closing.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.