Posted by Jess on Sunday, September 27, 2009 at 7:13pm.
2 x 4.2 kg?
I believe I answered this elsewhere are well, but...
Weight and mass are two different things.
Mass is a measure of the amount of matter contained in something, weight is a measure of force (F-ma).
Doubling the gravity would certainly affect the weight, but do you think it would affect the mass?
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