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Mechanical Engineering
Why do you feel heavier in water?
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[QUOTE="potto, post: 6851352, member: 58728"] Very good point, drag is related to velocity. I cannot agree more with this statement. And this point actually strengthen the argument for the added mass. Take this illustration, suppose you have zero velocity hence you have zero drag (viscosity effect). In the same time you have large "force" objecting to your acceleration. This large force is the added mass. The description of water (liquid) movement can be summarized or characterized by the fact that no vacuum is created. I believe that you will agree with that. Thus when the hand or the body moves in the water it push some in front of it and the same time some water has to replace the previous space the where the hand (body) was before. The path the water has to go though determine how much mass has moved. This mass depends on the shape of the hand (body) and the boundaries of the container. Hence hairy hand or wide body have larger added mass while thin bodies have smaller added mass. [/QUOTE]
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Why do you feel heavier in water?
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