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Static electricity
1) two insulating objects rubbed together due to friction
2) electrons are transferred
Opposite charges attracts
Like charges repels
Danger of static electricity
Electrons can move easily through metal to the earth in order to discharge
Uses of static electricity -electrostatic spray painting
1) the objects has a negative charge
2) paint will have a positive charge
3)positive paint will attract the negative object because opposite attracts!
4) the point droplets repel so the paints are evenly spread
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