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buoyancy    音标拼音: [b'ɔɪənsi]
n. 浮力;轻快;乐观

浮力;轻快;乐观

buoyancy
n 1: cheerfulness that bubbles to the surface [synonym: {buoyancy},
{perkiness}]
2: the property of something weightless and insubstantial [synonym:
{airiness}, {buoyancy}]
3: the tendency to float in water or other liquid
4: irrepressible liveliness and good spirit; "I admired his
buoyancy and persistent good humor" [synonym: {irrepressibility},
{buoyancy}]

Buoyancy \Buoy"an*cy\, n.; pl. {Buoyancies}.
1. The property of floating on the surface of a liquid, or in
a fluid, as in the atmosphere; specific lightness, which
is inversely as the weight compared with that of an equal
volume of water.
[1913 Webster]

2. (Physics) The upward pressure exerted upon a floating body
by a fluid, which is equal to the weight of the body;
hence, also, the weight of a floating body, as measured by
the volume of fluid displaced.
[1913 Webster]

Such are buoyancies or displacements of the
different classes of her majesty's ships. --Eng.
Cyc.
[1913 Webster]

3. Cheerfulness; vivacity; liveliness; sprightliness; -- the
opposite of {heaviness}; as, buoyancy of spirits.
[1913 Webster]


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  • Buoyancy in Physics – Definition, Formula, Examples
    Learn about buoyancy in physics Get the definition, examples, formula, worked example problems, and review questions
  • Buoyancy and Buoyant Force: Definition, Examples, Formula
    What is Buoyancy When an object is immersed in a fluid, wholly or partially, the fluid exerts an upward force opposite its weight This phenomenon is known as buoyancy, and the upward thrust is known as the buoyant force A characteristic of buoyancy is that it determines whether an object will float or sink
  • Buoyancy | Force, Definition, History, Applications | Britannica
    Buoyancy describes the tendency of an object to float or rise in a fluid when submerged; this fluid can be either a liquid or a gas
  • 14. 6: Archimedes’ Principle and Buoyancy - Physics LibreTexts
    This page titled 14 6: Archimedes’ Principle and Buoyancy is shared under a CC BY 4 0 license and was authored, remixed, and or curated by OpenStax via source content that was edited to the style and standards of the LibreTexts platform
  • What Is Buoyancy? The Physics of Floating
    Buoyancy is more than just a curious force that makes things float It’s a fundamental aspect of physics that reveals the balance of forces, the nature of fluids, and the elegance of physical laws It’s the reason we can sail the seas, soar through the skies, and plumb the depths of the oceans
  • ‪Buoyancy: Basics‬ - PhET Interactive Simulations
    Explore the principles of buoyancy through interactive simulations, learning about fluid density, object volume, and their effects on floating and sinking
  • Buoyancy - Summary – The Physics Hypertextbook
    Summary Buoyancy (also known as the buoyant force) is the force exerted on an object that is wholly or partly immersed in a fluid The symbol for the magnitude of buoyancy is B or FB As a vector it has both magnitude and direction Buoyancy acts upward for the kind of situations encountered in everyday experience
  • 14. 4 Archimedes’ Principle and Buoyancy – University Physics Volume 1
    University Physics Volume 1 is the first of a three book series that (together) covers a two- or three-semester calculus-based physics course This text has been developed to meet the scope and sequence of most university physics courses (in terms of what Volume 1 is designed to deliver) and provides a foundation for a career in mathematics, science, or engineering The book provides an
  • Buoyant force (article) | Khan Academy
    People often forget that the volume in the buoyancy formula refers to the volume of the displaced fluid (or submerged volume of the object), and not necessarily the entire volume of the object Sometimes people think the buoyant force increases as an object is brought to deeper and deeper depths in a fluid





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