Lecture Notes for PHYS 2212 - PRINCIPLES OF PHYSICS II at Armstrong Atlantic (AASU)

Notes Information

Material Type:Class Note
University:Armstrong Atlantic State University
  • Particularly
  • Positive Signs
  • Immediately
  • Product Charge
  • Different Points
  • Arrangement
  • Conventional
  • Gravitational Field
  • Total Charge
  • Overall Negative Charge
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PHYS 2212 Notes follow and parts taken from Physics (6 th Edition, Cutnell & Johnson) and Fundamentals of Physics (7 th Edition, Halliday, Resnick, & Walker) Electricity & Charge All normal matter is made up of charged particles. "Charge" is just a way to measure how strongly two objects attract (or repel) one another electrically. Charge is similar to mass in that the product of the force between two charges depends on the sizes of those charges and is inversely proportional to the square of the distance separating them, just as we saw when we studied the law of gravity. Notable differences between the two situations include the possibility of repulsion between like charges (all masses attract one another gravitationally - even antimatter) and the vastly greater strength of the electric force. We observe charges to be quantized (i.e., not continuous, but having a smallest possible size, just as we now know water is not a continuous substance but a large number of molecules) in ...

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