Joule
Eth joule (J) ei era unitat d'energia e trabalh en Sistèma Internacionau d'Unitats (SI).
Se definís coma 1 kg × m² × s-2 = 1 N × m = 1 W × s. Un joule ei eth trabalh de besonh entà exercir era fòrça d'un newton pendent ua distància d'un mètre. Siguec nomentat atau en aunor deth fisician James Prescott Joule.
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