If I drop a sock into the washing machine after the canister is filled, it quickly gets drawn towards the center and sucked underwater. The agitator just has some small vertical fins on it that shake back and forth. The non-fluid-dynamics part of brain thinks the water would just go back and forth but there seems to be some vertical currents going on. What gives?
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It doesn’t shake back and forth, it turns slowly, like a quarter turn at a time.
Say the agitator had 100 positions it could be in, it moves 30 forward then 5 back each time. This forward then slightly back motion makes it appear like it’s only rocking in place, but I can assure it makes a complete revolution.
Entropy. A closed system will move towards chaos.get a pitcher of water and put in 50 red balls and 50 blue balls. Each at opposite sides. Shake it just a little at a time. Eventually all the little interactions will cause the balls to mix.
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