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It is a riddle (Posted on 2005-04-13) Difficulty: 1 of 5
It is a riddle.
It is the strongest force,
to resist your force,
and yet it is not a force.
It never accelerates,
but it is always moving.
It never rests, and
it never gets tired.
It has been defined many ways,
but no one can quite capture it.
What is it?

See The Solution Submitted by Michael Cottle    
Rating: 3.7143 (14 votes)

Comments: ( Back to comment list | You must be logged in to post comments.)
re: Reply to JC | Comment 39 of 87 |
(In reply to Reply to C by Jonathan Chang)

Actually, acceleration does not mean change in speed, it means change in velocity.  The earth is spinning, therefore, we are not actually standing still, but spinning along with it.  Since our direction is constantly changing, that means our velocity is constantly changing.  So actually, gravity is forcing us to have acceleration, for without gravity, we would be floating through space, with no change in speed or velocity.
  Posted by Dustin on 2005-04-28 16:31:48

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