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Cirkuszi elefánt - balanszjáték lemezböl

Price:
19,280 Ft
Model: lem-0930-3
Availability: Elfogyott
Belengetve a szerkezet hintázásba kezd, az elefánt egyensúlyozza a labdákat

Description

Perpetual motion describes "motion that continues indefinitely without any external source of energy; impossible in practice because of friction." It can also be described as "the motion of a hypothetical machine which, once activated, would run forever unless subject to an external force or to wear".

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