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