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