A system of four magnets are placed as shown in the figure.

As per the application of Maglev, a stationary magnet produces electro motive force with the magnets in motion. Note That the point O is pivoted to the plane. The Representation Of System

In that case will this system of magnets rotate.

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    $\begingroup$ If it would, it wouldn't for long. $\endgroup$ – Kyle Kanos Jul 22 '15 at 22:57
  • $\begingroup$ Maybe if you changed the small bar magnets to alternating electromagnets... Oh, wait. That's a motor! :) $\endgroup$ – CoilKid Jul 22 '15 at 23:38

Yes it will rotate due to magnets pushing and so providing motive forces, however not for too long at all this is because if you take the friction in account for the object that is generated between the pivot and the magnets. Furthermore, the air-resistance might not be too much but it will definitely extrapolate in results over few tens or minutes and will affect the rotation of the magnets, so it will over time stop.

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