Alexander Kloentrup edited A_fluid_entering_a_stationary__.tex  over 8 years ago

Commit id: a6e2f3ec9bdf165c1a3444764772c79c15c1004b

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A fluid entering a stationary pool results in a reactionary force upward per Newton’s Third Law. This cause causes  the molecules of the stream  to react in the positive y \textit{y}  direction in a manner similar to Figure 2. These molecules would then continue to bounce in the \textit{y} direction until they assimilate into the pool. With a pool that is in motion, the molecules undergo the same reactionary force in the y \textit{y}  directionhowever  they undergo in a stationary pool but there is a second force created in the \textit{x} direction. This second force causes the molecules to then react along a resultant vector instead of the only  \textit{y} direction seen  in the stationary pool. The second force is created due to the friction between the two surfaces of the fluid separated by a thin layer of air.