Re: mass vs. weight

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#773

From: harold_lefcourt
Date: Wed, 22 Feb 1995 23:37

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In response to Steve's message, there is a brief segment on the AAPT
Skylab Video that shows the determination of mass is a spacecraft.
P.S.  We still do the old PSSC Inertial balace lab.  It
differentialtes between "gravitational" and  "inertial" mass.
.>   There used to be an old experiment we did that actually measured
mass by determining the period of vibration of an object as it rode
on a platform attached to some springs.  This device would work even
in the far reaches of outer space, where the net gravitational force
on objects is negligible.  Try using a double pan balance in space!
To study body mass changes during orbital flight, astronauts actually
use a spring-mounted chair to measure their masses.

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Date: Wed, 22 Feb 1995 18:37:46 EST
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From: harold_lefcourt <hbl@AIP.ORG>
Subject: Re: mass vs. weight
In-Reply-To: Steve Luzader's message of 02/22/95
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