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Basic Physics II Evidences - DrJJ - UiTM

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1/22/2011PHY407Lecture 2:Electrical force & Electrical FieldWhy do things fall to the ground???The gravitational fields of the earthand moon superpose. Note how thefields cancel at one point, and howthere is no boundary between theinterpenetrating fields surroundingthe two bodiesECopyright DR JJ,FSG, <strong>UiTM</strong> 9PHY407Lecture 2: IntroductionREFERENCE: http://phet.colorado.edu/web-pages/simulations-base.htmlActivity 1-Electrical (Coulomb) Force2.1 Electrons fallinginto protonReference: <strong>Physics</strong>2000-force2.2 Forces onchargesReference: PHETelectric field hockeyActivity 2-Resultant ForceActivity 3-Electric Field2.3 Addition offorces: PHETvector addition2.4 Electric fieldReference: PHETcharges & fieldCopyright DR JJ,FSG, <strong>UiTM</strong> 10Copyright DR JJ,FSG, <strong>UiTM</strong>; Jan08 5

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