A bar magnet is suspended and allowed to rotate freely. If the magnetic field of Earth is considered to be equivalent to that of a large bar magnet, which pole of the suspended magnet would point toward the magnetic north pole of Earth? Explain your reasoning b. Which magnetic pole is at the geographic South Pole of Earth? of Earth? Draw and explain the differences.

If we are assuming that both earth as well as the bar magnet have a potential of magnetic field then the south pole of the magnet will point at the north pole of the earth. This happens because of superposition of polarization of two magnets of same magnetic field potential. Similarly, the other north pole will point at the south pole of earth.

true tan speed = ang vel x radius

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