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- Weight abstract "In science and engineering, the weight of an object is usually taken to be the force on the object due to gravity. Its magnitude (a scalar quantity), often denoted by an italic letter W, is the product of the mass m of the object and the magnitude of the local gravitational acceleration g; thus: W = mg. The unit of measurement for weight is that of force, which in the International System of Units (SI) is the newton. For example, an object with a mass of one kilogram has a weight of about 9.8 newtons on the surface of the Earth, and about one-sixth as much on the Moon. In this sense of weight, a body can be weightless only if it is far away from any gravitating mass. The term weight and mass are often confused with each other in everyday discourse but they are distinct quantities. There is also a rival tradition within Newtonian physics and engineering which sees weight as that which is measured when one uses scales. There the weight is a measure of the magnitude of the reaction force exerted on a body. Typically, in measuring someone's weight, the person is placed on scales at rest with respect to the earth but the definition can be extended to other states of motion. Thus in a state of free fall, the weight would be zero. In this second sense of weight, terrestrial objects can be weightless. Ignoring air resistance, the famous apple on its way to meet Newton's head is weightless. Further complications in elucidating the various concepts of weight have to do with the theory of relativity according to which gravity becomes reduced to a space-time curvature. In the teaching community, a considerable debate has existed for over half a century on how to define weight for their students. The current situation is that a multiple set of concepts co-exist and find use in their various contexts.".
- Weight thumbnail Weeghaak.JPG?width=300.
- Weight wikiPageID "33931".
- Weight wikiPageRevisionID "598812307".
- Weight align "right".
- Weight caption "A spring scale measures the weight of an object.".
- Weight date "June 2011".
- Weight derivations "W = m · g".
- Weight direction "horizontal".
- Weight footer "Left: A spring scale measures weight, by seeing how much the object pushes on a spring . On the Moon, an object would give a lower reading. Right: A balance scale measures mass, by comparing an object to references. On the Moon, an object would give the same reading, because the object and references would both become lighter.".
- Weight hasPhotoCollection Weight.
- Weight header "Measuring weight versus mass".
- Weight image "Bascula_9.jpg".
- Weight image "Weegschaal1.jpg".
- Weight reason "broken sentence; not sure if it should say "*such* concepts as", or if there is something else missing".
- Weight unit Newton_(unit).
- Weight width "125".
- Weight width "220".
- Weight subject Category:Commerce.
- Weight subject Category:Force.
- Weight subject Category:Mass.
- Weight subject Category:Physiology.
- Weight comment "In science and engineering, the weight of an object is usually taken to be the force on the object due to gravity. Its magnitude (a scalar quantity), often denoted by an italic letter W, is the product of the mass m of the object and the magnitude of the local gravitational acceleration g; thus: W = mg. The unit of measurement for weight is that of force, which in the International System of Units (SI) is the newton.".
- Weight label "Forza peso".
- Weight label "Gewicht".
- Weight label "Gewichtskraft".
- Weight label "Peso".
- Weight label "Peso".
- Weight label "Poids".
- Weight label "Siła ciężkości".
- Weight label "Weight".
- Weight label "Вес".
- Weight label "وزن".
- Weight label "重さ".
- Weight label "重量".
- Weight sameAs Váha.
- Weight sameAs Gewichtskraft.
- Weight sameAs Peso.
- Weight sameAs Pisu.
- Weight sameAs Poids.
- Weight sameAs Berat.
- Weight sameAs Forza_peso.
- Weight sameAs 重さ.
- Weight sameAs 무게.
- Weight sameAs Gewicht.
- Weight sameAs Siła_ciężkości.
- Weight sameAs Peso.
- Weight sameAs m.085x_.
- Weight sameAs Q25288.
- Weight sameAs Q25288.
- Weight wasDerivedFrom Weight?oldid=598812307.
- Weight depiction Weeghaak.JPG.
- Weight isPrimaryTopicOf Weight.
