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