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UBA - CienciaS • Ver Tema - [duda resuelta] pseudovectores
UBACS Q&A Foro WikiCS
Fecha actual 01 Mar 2024, 17:37

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 Asunto: [duda resuelta] pseudovectores
NotaPublicado: 30 May 2009, 19:28 
Doctor
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Registrado: 09 Ago 2008, 19:30
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Alguien me explica esta frase? (referente a la Ley de Lorentz (o Lorenz, al final no sé cuál era cuál :p)

"Since F and v are vectores, B is actually a pseudovector"

(Just in case: Ley de Lorentz )

No entiendo a qué se refiere, yo lo único similar a pseudovector que había escuchado eran las pseudofuerzas en F1, pero esto realmente no lo entiendo.

Gracias! :)



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 Asunto: Re: [duda] pseudovectores
NotaPublicado: 30 May 2009, 19:57 
Profesor
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Registrado: 09 Ago 2008, 19:36
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Wikipedia siempre tiene la respuesta

La parte de Details es la que más se entiende.
Serían vectores que tienen una "reacción extra" al hacerles una combinación de rotación y simetría (esta reacción extra es un cambio de signo, supongo que se produce porque al rotar y simetriar se dan vuelta los vectores que componen al producto vectorial que lo forma, por lo tanto se cambia signo)



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 Asunto: Re: [duda] pseudovectores
NotaPublicado: 31 May 2009, 02:10 
Estudiante

Registrado: 30 Ene 2009, 00:35
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me parece que se refiere a que los vectores definidos como producto vectorial de otras cosas son pseudovectores porque dependen de si los ejes de coordenadas son una terna derecha o izquierda, entonces segun como orientes los ejes ese vector puede tener distinto signo, aunque no cambie la situacion fisica. en este caso el vector campo magnetico estaria definido como un vector tal que si haces y lo multiplicas por te da , entonces segun si usas una terna derecha o izquierda te cambia el signo del campo magnetico


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 Asunto: Re: [duda resuelta] pseudovectores
NotaPublicado: 31 May 2009, 13:09 
Doctor
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gracias a ambos :)



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