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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 - Wikipedia
    Buoyancy ( ˈbɔɪənsi, ˈbuːjənsi ), [1][2] or upthrust, is the force exerted by a fluid opposing the weight of a partially or fully immersed object (which may also be a parcel of fluid) In a column of fluid, pressure increases with depth as a result of the weight of the overlying fluid
  • Buoyancy in Physics – Definition, Formula, Examples
    Buoyancy is an essential force in fluid mechanics, governing why objects float or sink From Archimedes’ principle to practical applications in engineering and medicine, understanding buoyancy involves exploring the interplay of density, fluid displacement, and gravitational forces
  • Buoyancy and Buoyant Force: Definition, Examples, Formula
    What does buoyancy mean? Learn its types, along with examples, equations, diagrams Also, see how to calculate the buoyant force
  • 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
  • 14. 6: Archimedes’ Principle and Buoyancy - Physics LibreTexts
    Archimedes’ principle refers to the force of buoyancy that results when a body is submerged in a fluid, whether partially or wholly The force that provides the pressure of a fluid acts on a body perpendicular to the surface of the body
  • 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
  • ‪Buoyancy: Basics‬
    ‪Buoyancy: Basics‬
  • Buoyancy - Summary – The Physics Hypertextbook
    When an object is immersed in a fluid, the pressure on its bottom is greater than the pressure on its top This results in an upward force called buoyancy
  • BUOYANCY Definition Meaning - Merriam-Webster
    The meaning of BUOYANCY is the tendency of a body to float or to rise when submerged in a fluid How to use buoyancy in a sentence
  • Buoyancy - The Engineering ToolBox
    Buoyancy is defined as the tendency of a body to float or rise when submerged in a fluid The resultant force acting on a submerged body by the fluid is called the buoyant force and can be expressed as F = V γ = V ρ g (1) where F = buoyant force (N) V = body volume (m3) γ = ρ g = specific weight of fluid (N m3) ρ = density of fluid (kg m3)





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