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Buoyancy (/ ˈ b ɔɪ ən s i, ˈ b uː j ən s i /), [1] [2] or upthrust is a net upward force exerted by a fluid that opposes the weight of a partially or fully immersed object. In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid.
It can be the case that forces other than just buoyancy and gravity come into play. This is the case if the object is restrained or if the object sinks to the solid floor. An object which tends to float requires a tension restraint force T in order to remain fully submerged.
A floatplane (float plane or pontoon plane) is a type of seaplane with one or more floats mounted under the fuselage to provide buoyancy. Construction
While this basic idea carried enormous weight and has come to form the basis of understanding why objects float, it is best applied for objects with a characteristic length scale greater than the capillary length. What Archimedes had failed to predict was the influence of surface tension and its impact at small length scales.
Float, the act of moving a currency to a floating exchange rate; Cash float, the money in a cash register needed at the beginning of a business day in order to give change to customers; Public float, the total number of shares publicly owned and available for trading, after subtracting restricted shares from the total outstanding shares
On Floating Bodies (Greek: Περὶ τῶν ἐπιπλεόντων σωμάτων) is a work, originally in two books, by Archimedes, one of the most important mathematicians, physicists, and engineers of antiquity.
A stock float can mean a couple different things. First, a stock float refers to the number of shares that are publicly available for investors. Second, investors may also talk about floating a ...
Lifebuoy with emergency light on a cruise ship A lifebuoy floating on water. A lifebuoy or life ring, among many other names (see § Other names), is a life-saving buoy designed to be thrown to a person in water to provide buoyancy and prevent drowning. [1]