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From: elf@cylixd.UUCP (Leonard Bottleman)
Newsgroups: net.tv.drwho
Subject: Re: Re: TARDIS Mass (what is it?) [Full Circle]
Message-ID: <272@cylixd.UUCP>
Date: Thu, 12-Sep-85 09:21:51 EDT
Article-I.D.: cylixd.272
Posted: Thu Sep 12 09:21:51 1985
Date-Received: Fri, 13-Sep-85 04:10:30 EDT
References: <574@tellab1.UUCP>
Reply-To: elf@cylixd.UUCP (Leonard Bottleman)
Distribution: net
Organization: RCA Cylix Communications , Memphis, TN
Lines: 31
Summary: 

>
>Kilograms are most definately a unit of WEIGHT (1000 grams).
>
>A gram is equal in weight to 1 cubic centimetre (1 mililitre) of water (at
>earth weight). Therefore 1 kilogram (1000 grams) is equal in weight to
>1 cubic decametre (1 litre) of water (at earth weight).
>
>This happens to be approximately equal to 2.2046 pounds.
>
>
>				      Barth Richards
>				      Tellabs, Inc.
>				      Lisle, IL

NO! NO! NO! A gram is a unit of MASS not weight!!!  On earth 1 kilogram
of mass weighs 2.2046 pounds, on the moon it weighs one sixth that.
The metric unit of weight (force) is the newton!

	newton=kilogram-meter/sec/sec

	pound=slug-foot/sec/sec (no slug jokes from net.bizarre please)

For weights on Earth the acceleration (meter/sec/sec or foot/sec/sec)
is a constant (9.8 or 32) so mass is directly proportional to weight,
and the two are often used interchangeably.

					Leonard Bottleman
"At RCA Cylix, we build walls."		RCA Cylix Communications
					Memphis, TN

					ihnp4!akgua!cylixd!elf