MLA Citation: Bloomfield, Louis A. "Question 122"
How Everything Works 21 Jan 2018. 21 Jan 2018 <http://howeverythingworks.org/print1.php?QNum=122>.
122. Does air create a friction force on water? Would a gutter be much quicker at having water flow through it, rather than a pipe?
Air does exert frictional forces on water, but much less than a surface would. Thus a gutter would be a better water carrier than a pipe. It would have one less surface to slow the flow of water.

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