Basic Physics II Evidences - DrJJ - UiTM

1/22/2011PHY407Lecture 2: IntroductionActivity 1-Electrical (Coulomb) Force+• Electrons move towards proton• Far electrons feel small pull, hencesmall initial acceleration• As the electrons accelerate and getcloser, the pull gets stronger.• Near electrons feel strong pull,hence big initial acceleration.• Electrons feel the pull because theyare in an electric field created bythe protonCopyright DR JJ,FSG, UiTM 11PHY407Lecture 2: IntroductionActivity 1-Electrical (Coulomb) Force• Electrons move away from negative particle• Far electrons feel small push, hence smallinitial acceleration• As the electrons accelerate and get further,the push gets weaker.• Near electrons feel strong push, hence biginitial acceleration.• Electrons feel the push because they are inan electric field created by the negativeparticle_Copyright DR JJ,FSG, UiTM 12Copyright DR JJ,FSG, UiTM; Jan08 6