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- PHY102 Physics II © Dr.Cem Özdoğan
- Multiple Forces: If multiple electrostatic forces act on a particle, the net force is the vector sum (not scalar sum) of the individual forces
- in which, F1,4 is the force acting on particle 1 due to the presence of particle 4, etc.
- Spherical Conductors: If excess charge is placed on a spherical shell that is made of conducting material, they repel each other and the excess charge spreads uniformly over the (external) surface. Now, first shell theorem works!
- Shell Theories: As with gravitational force law, the shell theorem has analogs in electrostatics. There are two shell theories for electrostatic force
- Many charges but target is one
- Vector Algebra
- Let’s say q is at the center: net force is zero.
- Interacting independently in pairs