B&R_flowchart - Bar & Rail Problem Flowchart B...

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Unformatted text preview: Bar & Rail Problem Flowchart B R + V M Begin assuming the bar is at rest. Is there a current? F=IlXB Yes Calc. net force Yes Is there a mechanical force? F=Mg Nothing moves! No Is net Force > friction? Yes Find I when Mg = Fmag+Ffr Left Generator Will bar accelerate left or right? Right Motor Find I when Fmag_ = Ffr+Mg Use KVL and I from above to find Ebar Find vel using Em=lvelXB Denard Lynch Sep 2008 ...
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