Retardation in special relativity and the design of a relativistic motor

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The Newton third law states that any action is countered by a reaction of equal magnitude but opposite direction. The total force in a system not affected by external forces is thus zero. However, according to the principles of relativity, a signal cannot propagate at speeds exceeding the speed of light. Thus the total force cannot be null at a given time. The above conclusion leads to the possibility of a relativistic engine in particular one that is based on a permanent magnet. The analysis is based on a previous paper in which we studied the relativistic effects in a system of two current conducting loops.

Original languageEnglish
Pages (from-to)1285-1288
Number of pages4
JournalActa Physica Polonica A
Issue number5
StatePublished - May 2017


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