Tuesday, October 7, 2014

electromagnetism - If a magnetizable object is subjected to a large magnetic field, do its dimensions or volume change?



I'd like any clues as to whether subjecting something to an intense magnetic field changes its shape or density in any way.




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classical mechanics - Moment of a force about a given axis (Torque) - Scalar or vectorial?

I am studying Statics and saw that: The moment of a force about a given axis (or Torque) is defined by the equation: $M_X = (\vec r \times \...