I sent this to Cecil, but I figure I might as well post it here too.
(since I figure the odds of that one being picked are roughly P(snowball surviving in hell))
We all know that Galileo proved (by dropping cannon balls from the leaning tower of Pisa) that objects of different weights fall at the same rate, and indeed, physics tells us that this rate is 9.8 m/sec².
However, physics also tells us that the gravitational pull between two objects is (gm1m2)/d² where g is the gravitational constant as expressed dependant on the units you’re working in. From where I’m sitting (that being California) that sure looks like the force pulling two objects together does depend on their masses.
So which is it?