Compléter PhysicsVersion en ligne Review about Physics concepts par Handy Armenta 1 fundamental natural science studies matter industries space behavior time medicine universe scientific fields goal crucial role galaxies engineering subatomic particles phenomena smallest scientific disciplines practical applications force energy technology Physics motion is the that , its and through and , and the related entities of and . Physics is one of the most , and its main is to understand how the behaves . It encompasses a wide range of , from the to the largest . Physics plays a in many other and has in various , including , , and . 2 exerted iron force poles along direction atoms motion Opposite other aligned iron north Magnetism attract magnet piece the each magnet charges north south piece Magnetism is the force by magnets when they or repel each other . is caused by of electric . All magnets have and poles . poles are attracted to other , while the same repel each . When you rub a of a , the - seeking poles of the in the iron line up in the same . The generated by the atoms creates a magnetic field . The of has become a .
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