# Electrostatic force on the particle

1. Dec 25, 2006

### young physical

if a charged particle ic located inside a shell of uniform charge there is no net electrostatic force on the particle from the shell.
1st is this fact?
2nd if it is so plz explane it to because there is some distance between the particle and other chargeds in shell every one has different distance from anther?.

2. Dec 25, 2006

### Haywire

The electrostatic force is directly proportional to charge.
The electrostatic force is directly proportional to $1/r^2$.
But the charge is directly proportional to $r^2$.