Solving Statics Problems: Setting Free Body Diagrams to Zero

runningninja · 2012-09-09T05:21:05+00:00

When dealing with a statics problem, do I set individual free body diagrams equal to zero or the entire system?

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Hello! Let's say I have a cavity resonant at 10 GHz with a Q factor of 1000. Given the Lorentzian shape of the cavity, I can also drive the cavity at, say 100 MHz. Of course the response will be very very weak, but non-zero given that the Loretzian shape never really reaches zero. I am trying to understand how are the magnetic and electric field distributions of the field at 100 MHz relative to the ones at 10 GHz? In particular, if inside the cavity I have some structure, such as 2 plates...

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