After getting bored out of my mind, and realizing that a physics journal is due this break, I decided to read a bit about Archimedes and his principal on water. According to Kinetic Books, he states that: An object in a fluid experiences an upward force equal to the weight of the fluid it displaces. To show that, i got a rubber duck i found somewhere in my closet from an Axe gift set long ago. I placed the duck in a bucket and experienced what he meant. The book continues on to explain about The upward buoyant force which allows an object to float if less than the buoyant force. If greater, it would sink like a dense rock. This is why a gigantic piece of Styrofoam can float. "Its less dense than water and displaces a weight of water equal to its own weight. It is in a state of equilibrium and floats." The same principal works with the way fish live. They have something called a swim bladder, in which when it expands, becomes more buoyant, and when deflates, becomes less. This allows them to float when buoyant, and sink when not.
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This Blog contains all of my Journals for Iolani Physics 2008-2009.
Tuesday, December 30, 2008
During This Short Break...
After getting bored out of my mind, and realizing that a physics journal is due this break, I decided to read a bit about Archimedes and his principal on water. According to Kinetic Books, he states that: An object in a fluid experiences an upward force equal to the weight of the fluid it displaces. To show that, i got a rubber duck i found somewhere in my closet from an Axe gift set long ago. I placed the duck in a bucket and experienced what he meant. The book continues on to explain about The upward buoyant force which allows an object to float if less than the buoyant force. If greater, it would sink like a dense rock. This is why a gigantic piece of Styrofoam can float. "Its less dense than water and displaces a weight of water equal to its own weight. It is in a state of equilibrium and floats." The same principal works with the way fish live. They have something called a swim bladder, in which when it expands, becomes more buoyant, and when deflates, becomes less. This allows them to float when buoyant, and sink when not.
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