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# Re: [femm] Re: Lorentz force

- To: femm@yahoogroups.com
- Subject: Re: [femm] Re: Lorentz force
- From: David Meeker <dmeeker@ieee.org>
- Date: Fri, 24 May 2002 15:47:08 -0400
- References: <acirio+uqfv@eGroups.com>
- User-agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.0rc2) Gecko/20020510

`Yes, for a 60 Hz system, the 2X part of the force would lead to vibrations at 120 Hz. The amplitude of the 2X mechanical vibration is related to the dynamics of the mechanical system. Often, the mechanical system might be just a mass. However, one could imagine pathological situations in which the mechanical system has a resonance at the 2X frequency--it just depends on the mechanical system.`
`Dave Meeker`
`
lorikloesel wrote:`

>     I'm assuming that this shows up as a 120Hz vibration in a 60Hz
>     driven system? The amplitude of the mechanical vibration is related to
>     the mass of the object and the strength of the 2x force?

> `Thanks`

>     --- In femm@y..., David Meeker <dmeeker@f...> wrote:
>     > mercedes sampere wrote:
>     >
>     > > Hi femm users!
>     > > Could anybody tell me what does "2x frecuency force mean" when I
>     ask for
>     > > Lorentz force?

``
``

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