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On 01/19/2018 05:20 PM, LaMontagne, Bob wrote:
Is it still considered OK to define your weight as the force on theI'd say it's /equal to a good approximation/.
bottom of your shoes when you attempt to stand upright? That seems to
take into account all the "real" and "apparent" forces involved.
It's a reasonable starting point ... but I
wouldn't promote it to a "definition".
There's a 0.1% correction due to buoyancy in air,
which means the scale-reading is less than the
There are larger corrections if you're flailing
your arms as you "attempt" to stand upright ...
although these average out over time.
Also I assume the intent was the downward force
exerted /by/ the bottom of your shoes (not the
upward acting "on" them).
Weight = F = mg
where g is a vector in the /down/ direction, by
definition. (This is not the definition of g,
but rather the definition of "down".)
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