Define ‘Charging by Friction’:
When certain Insulating Materials are Rubbed against each other, and become Electrically Charged.
How does Charging by Friction occur?
Negative Electrons are Transferred from one Material to the other whilst they rub against one another. So one Material becomes +, & the other becomes - .
Define ‘Attraction’:
Objects get Closer. Opposite Charges Attract.
Define ‘Repulsion’:
Objects move further away. Same Charges Repel.