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Old 04-30-2015, 10:24 AM   #32
Paul Swanson
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City: Ventura CA
Vessel Name: Proud Mary
Vessel Model: Pacific Trawler
Join Date: Apr 2015
Posts: 92
The “reverse squat effect” noticed by Ulysses ( which should really be called the inverse squat effect ) is caused by the well-known principle that two rigid objects cannot occupy the same space at the same time. In detail, it has to do with conservation of energy. Since you are no longer going forward some of that kinetic energy is converted to potential energy in lifting the boat vertically. This energy is eventually recovered when the tide comes in and the boat returns to its normal waterline.
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