The property of a freely suspended magnet to always rest along the north-south direction can be used to test whether a piece of metal is a magnet or not.
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The property of a freely suspended magnet to always rest along the north-south direction can be used to test whether a piece of metal is a magnet or not.
The property of a freely suspended magnet aligning with Earth’s magnetic field can be used in navigation. This principle underlies the function of a magnetic compass, which helps determine directions by pointing north-south.