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meanwhile. As far as I know gravitational weight is the only way to teachI agree and have been advocating this for years. Just as we don't give a
in UK , Australia, South Africa, Western Europe (?) I think, Russia is
practicing an operational definition. I am writing this message as I was
positively surprised to discover views, similar to mine, on this subject of
weight in some contributors to this important forum. Since 1992 I am
constantly advocating operational weight definition in my talks at AAPT
summer meetings. Some support in the beginning from Mario Iona was
important. We see that the story is not finished.
special name to electrical force, why do we need to give one to the gravi-
tational force? Also, since we define weight as mg in most textbooks, which
g are we talking about? The one defined as GM/R^2 or the one for the
rotating earth?