Compléter PhysicsVersion en ligne Review about Physics concepts par Handy Armenta 1 motion phenomena time engineering smallest subatomic particles behavior studies matter universe natural science scientific fields force Physics energy fundamental industries practical applications crucial role medicine galaxies scientific disciplines space technology goal 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 along north force poles atoms exerted the south charges Opposite north attract direction each iron other magnet motion aligned iron piece Magnetism piece magnet 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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