Could a large impact have tilted Uranus on its side?

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Futobingoro
I was playing around with my gyroscope yesterday and laid out a possible Uranian scenario. If Uranus was long ago in a rotation similar to that of Earth's, then an impact that applied a clockwise force (as viewed from a point further out from the planet looking in at its side) would cause a gyration to its current position. Just thought it was interesting.
 
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A metallic impact body would describe its current position and magnetic field. If looking in on the planet from further out in the solar system, an object striking in the lower left quadrant would explain the modern field, judging by which position it was in after the gyration.