Electrostatic: Coulomb’s Law · Coulomb’s Law Chapter 21 Halliday-Resnick 9th Ed. Thursday, 26...
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{ Electrostatic: Coulomb’s Law Chapter 21 Halliday-Resnick 9 th Ed. Thursday, 26 January 2012
Transcript of Electrostatic: Coulomb’s Law · Coulomb’s Law Chapter 21 Halliday-Resnick 9th Ed. Thursday, 26...
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Electrostatic:Coulomb’s Law
Chapter 21 Halliday-Resnick 9th Ed.
Thursday, 26 January 2012
Static electricity
Same electrical sign :repels
Opposite electrical sign :attracts
Basic principal
A, B, D : charged plateC : neutral (metal)
? ?
= ̂Coulomb’s Law
= ̂Newton’s Law
Draw vector forcewith the tail onthe particle
= 1= 8,99 × 10 . /
= 2(0, 0)
= 2(2, 0)
= −2(2, -3)
=?
{Electric Fields
Chapter 22 Halliday-Resnick 9th Ed.
=
= ̂:Due to a point charge
= = ̂
= 2(0, 0)
= 2(2, 0)
= −2(2, -3)
=?
Continuous Charge?
