Re: Nagging Question
The gravity acts on all the air in the column. This pulls the air toward the middle creating an increasing pressure at the middle. The total pressure will be the summation of the changing amount of the gravitational force at each distance from center.
Originally Posted by Ryback
Consider the opposite. If you have a heavy weight in each hand and start spinning, the net force might seem to be zero, but it is not, as your body clearly will indicate to you. :wink:
We know time flies, we just can't see its wings.