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weightlessness    音标拼音: [w'etləsnəs]
n. 无重状态

无重状态

weightlessness
n 1: the property of being comparatively small in weight; "the
lightness of balsa wood" [synonym: {lightness},
{weightlessness}] [ant: {heaviness}, {weightiness}]

34 Moby Thesaurus words for "weightlessness":
airiness, ascent, asteroids, aurora particles, blackout,
bubbliness, buoyancy, cosmic particles, cosmic ray bombardment,
daintiness, delicacy, downiness, ethereality, floatability,
fluffiness, foaminess, frothiness, gentleness, gossameriness,
intergalactic matter, lack of weight, levitation, levity,
lightness, meteor dust impacts, meteors, radiation, softness,
space bullets, tenderness, the bends, unheaviness, volatility,
yeastiness

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  • Weightlessness - Wikipedia
    Weightlessness is the complete or near-complete absence of the sensation of weight, i e , zero apparent weight It is also termed zero g-force, or zero-g (named after the g-force) [1] or, misleadingly, zero gravity
  • Weightlessness | Definition, Effects, Facts | Britannica
    weightlessness, condition experienced while in free-fall, in which the effect of gravity is canceled by the inertial (e g , centrifugal) force resulting from orbital flight The term zero gravity is often used to describe such a condition
  • How Weightlessness Works - HowStuffWorks
    While microgravity -- which is the very low gravity environment that creates the illusion of weightlessness -- looks like fun, it places great demands on your body
  • Weightlessness - HyperPhysics
    The phenomenon of "weightlessness" occurs when there is no force of support on your body When your body is effectively in "free fall", accelerating downward at the acceleration of gravity, then you are not being supported
  • Why Are Astronauts Weightless In The Space Station?
    The term weightlessness might seem like it means no weight, but it describes a situation where there’s no physical force resisting gravity On Earth, opposing forces like a chair’s surface counteract gravity when you sit, making you feel weight
  • Weightlessness and Its Effect on Astronauts
    The sensation of weightlessness, or zero gravity, happens when the effects of gravity are not felt
  • Why Do I Feel Weightless? The Science Behind the Sensation
    The sensation of weightlessness describes a feeling of lightness or the absence of perceived weight, rather than a true lack of gravitational force While gravity continuously acts upon everything, weightlessness arises when the usual forces supporting the body are temporarily reduced or absent
  • Weightlessness in Physics: Meaning, Causes Key Examples - Vedantu
    Weightlessness is the sensation of having zero apparent weight, but an object's mass remains unchanged An astronaut in orbit is weightless but still has the same mass
  • Weightlessness - New World Encyclopedia
    Weightlessness is the experience (by people and objects) during free-fall, of having no apparent weight This condition is also known as microgravity
  • Why Do We Feel Weightless? - BYJUS
    What is meant by weightlessness? Weightlessness is a term used to describe the sensation of a complete or near-complete absence of weight





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