Action-at-a-distance
Can apply a force to an object without touching it
Contact forces
Forces that can only have an effect on objects they touch
Electric force
Push or pull between charged objects
Laws of Static Charge
Like charges repel
Opposite charges attract
Neutral objects are attracted to charged objects
Charging by conduction
Charging a neutral object by touching it with a charged object
Charging by induction
Can charge a neutral object by holding a charged object nearby