Steamboat metal balance toy
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Price:
23,440 Ft
| Model: | lem-0930-11 |
| Availability: | Last 1 db in stock |
| Belendítve a szerkezetet hintázni kezd, a matrózok, integetnek. | |
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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