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Swimming

jwdiehl88

Entry posted by jwdiehl88

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Swimming is a popular sport that involves a ton of physics. The physics of swimming involves an many forces between the water and the swimmer. It is these forces which propel a swimmer through the water. In order to swim, a swimmer must "push" against the water using a variety of techniques. There are four major techniques used for swimming. They are, Front Crawl (freestyle), Breaststroke, Backstroke, and Butterfly stroke.  There are others, but ate used for recreational uses.  By moving his or her arms through the water the swimmer creates a thrust force that propels the swimmer forward.  This can relate to Newton's third law: every action as a reaction.  The swimmer creates a force in the water and the water creates a equal opposite to propel the swimmer.  However, there is a drag force created by the motion of the swimmer through the water. This force resists the motion of the swimmer through the water.  This is why, it is very hard to swim long distances because there is a friction force resisting you from swimming.  

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