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BUOYANT FORCE - ARCHIMEDE'S PRINCIPLE ... Example 2: Humans are made mostly of water and are thus very close to being neutrally buoyant. However, if you take a large breath and hold it you can become positively buoyant since your overall volume increases thus lowering you overall density.
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www.ac.wwu.edu/~vawter/PhysicsNet/Topics/Pressure/Bouya...
www.ac.wwu.edu/~vawter/PhysicsNet/Topics/Pressure/BouyantForce.html
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Buoyancy - Wikipedia, the free encyclopedia
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In physics, buoyancy (pronounced /ˈbɔɪ.ənsi/ ) is the upward force that keeps things afloat. The net upward buoyancy force is equal to the magnitude of the weight of fluid displaced by the bod...
en.wikipedia.org/wiki/Buoyancy
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The buoyant force ... When an object is placed in a fluid, the fluid exerts an upward force we call the buoyant force. The buoyant force comes from the pressure exerted on the object by the fluid. ... The buoyant force is present whether the object floats or sinks. Let's consider a floating object, but the analysis is...
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webphysics.davidson.edu/physlet_resources/bu_semester1/...
webphysics.davidson.edu/physlet_resources/bu_semester1/c23_buoyant.html
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A buoyant force is the upward force on objects submerged in fluids. In somes cases this could cause the object to float when normally gravity would cause it to sink. (Try floating an egg or a golf ball);
http://camillasenior3.homestead.com/fluids.html
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A completely submerged body displaces a volume of liquid equal to its own volume. The buoyant force equals the weight of the fluid displaced.
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www.phy.ntnu.edu.tw/java/buoyantForce/buoyantForce.html
www.phy.ntnu.edu.tw/java/buoyantForce/buoyantForce.html
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Buoyant force is caused by gravity acting on the fluid. It has its originin the pressure difference occurring between the top and bottom of theimmersed object, a difference that always exists when pressure varies withdepth.
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www.phy.ntnu.edu.tw/java/buoyant/buoyant.html
www.phy.ntnu.edu.tw/java/buoyant/buoyant.html
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Since the Buoyant Force depends on the density of the liquid and the volume of the liquid displaced, the ship needs to displace more of a low density liquid in order to create enough buoyant force to float.
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www.physics.mun.ca/~jjerrett/buoyant/buoyant.html
www.physics.mun.ca/~jjerrett/buoyant/buoyant.html
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Java applet: Buoyant force in liquids ... This Java applet shows a simple experiment concerning the buoyancy in a liquid: A solid body hanging from a spring balance is dipped into a liquid (by dragging the mouse!). In this case the measured force, which is equal to the difference of weight and buoyant force, is reduced.
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www.walter-fendt.de/ph14e/buoyforce.htm
www.walter-fendt.de/ph14e/buoyforce.htm
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