at 79TA: im not gonna say you are wrong when stating that all things fall at the same rate(due to the number of significant digits that you seem to involve), but i will say that your explanation is oversimplifying the problem.
You speak of a force, but what you need to include in your conciderations is the fact that the gravitational pull between two objects consists of a contribution from either object.
the force between two objects is given from newtons law of gravitation:
F=(G*M*m)/r^2
where G is the gravitational constant, r is the distance of separation and the masses are denoted M and m respectfully.
this correlation shows that even though the mass of the smaller object (m) is insignificant in relative comparison to the larger object, the fact remains in theory the size of the force increases when either of the masses do...
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