Ch 15 Electric Forces and Fields


Insulators and Conductors

Conductors have charges that move freely in response to an electric field while insulators do NOT allow free movement of charge.

Coulomb'sLaw

The electric force between two stationary charged particles separated by a distance r has the magnitude given by:
coulom9.gif
first three images from
http://dallaswinwin.com/Electrostatics/coulomb%27s_law.htm

Good notes on Coulomb's Law worth checking out

Thecoulom1.gif
The force between a positive and negative charge
coulom5.gif
The force between two like charges

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