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- Spring_scale abstract "A spring balance apparatus is simply a spring fixed at one end with a hook to attach an object at the other. It works by Hooke's Law, which states that the force needed to extend a spring is proportional to the distance that spring is extended from its rest position. Therefore the scale markings on the spring balance are equally spaced. A spring balance can be calibrated for the accurate measurement of mass in the location in which they are used, but many spring balances are marked right on their face "Not Legal for Trade" or words of similar import due to the approximate nature of the theory used to mark the scale. Also, the spring in the scale can permanently stretch with repeated use.If two spring balances are hung one below the other in series, each of the scales will read approximately the same, the full weight of the body hung on the lower scale. The scale on top would read slightly heavier due to also supporting the weight of the lower scale itself. Spring balances come in different sizes. Generally, small scales that measure newtons will have a less firm spring (one with a smaller spring constant) than larger ones that measure tens, hundreds or thousands of newtons.A spring balance may be labeled in both units of force (pounds, newtons) and mass (grams, kilograms). Strictly speaking, only the force values are correctly labeled. In order to infer that the labeled mass values are correct, an object must be hung from the spring balance at rest in an inertial reference frame, interacting with no other objects but the scale itself.".
- Spring_scale thumbnail Weeghaak.JPG?width=300.
- Spring_scale wikiPageID "2918338".
- Spring_scale wikiPageRevisionID "583790671".
- Spring_scale hasPhotoCollection Spring_scale.
- Spring_scale subject Category:Force.
- Spring_scale subject Category:Weighing_instruments.
- Spring_scale comment "A spring balance apparatus is simply a spring fixed at one end with a hook to attach an object at the other. It works by Hooke's Law, which states that the force needed to extend a spring is proportional to the distance that spring is extended from its rest position. Therefore the scale markings on the spring balance are equally spaced.".
- Spring_scale label "Dinamometro".
- Spring_scale label "Federwaage".
- Spring_scale label "Peson".
- Spring_scale label "Spring scale".
- Spring_scale label "Weeghaak".
- Spring_scale label "Ручные пружинные весы".
- Spring_scale label "ばねばかり".
- Spring_scale label "弹簧秤".
- Spring_scale sameAs Federwaage.
- Spring_scale sameAs Peson.
- Spring_scale sameAs Dinamometro.
- Spring_scale sameAs ばねばかり.
- Spring_scale sameAs Weeghaak.
- Spring_scale sameAs m.08cjcc.
- Spring_scale sameAs Q772032.
- Spring_scale sameAs Q772032.
- Spring_scale wasDerivedFrom Spring_scale?oldid=583790671.
- Spring_scale depiction Weeghaak.JPG.
- Spring_scale isPrimaryTopicOf Spring_scale.
