Basic Physics II Evidences - DrJJ - UiTM
Basic Physics II Evidences - DrJJ - UiTM
Basic Physics II Evidences - DrJJ - UiTM
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1/22/2011Charge ConservationA2qB2qC-4qShown are conducting sphereseach of charges 2q, 2q and -4qWhat is the total charge on thespheres?Sphere B touches sphere C andthen separated.After the process above, what is thetotal charge & the charge on eachindividual sphere?B2qC-4qB0qC-2qA-qB-qCopyright DR JJ,FSG, <strong>UiTM</strong> 7PHY407Lecture 2:Electrical force & Electrical FieldWhy do things fall to the ground???EThe gravitational fieldsurrounding a clump ofmass such as the earth.On earth, the gravitationalfield is g=F/m twhere m tisthe objects’s mass.Objects don’t fall, but are attractedto the center of the earth due to hepresence of gravitational field, gCopyright DR JJ,FSG, <strong>UiTM</strong> 8Copyright DR JJ,FSG, <strong>UiTM</strong>; Jan08 4
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