3 years ago
Pascal's principle about the water in the water bed?
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An air mattress takes advantage of Pascal's principle to protect you from the bumpy ground, rocks, and limbs. The pressure is equal on all the parts of your body which are in contact with the air matress. The same principle applies to a water bed since Pascal's principle applies to enclosed static fluids. The principle is used in clinical beds which reduce the incidence of ulcers on patients confined to bed for a lengthy period.
http://hyperphysics.phy-astr.gsu.edu/HBASE/images/pascon.gif
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