1. (c) McGraw Hill Ryerson 2007
7.2 Electric Force
(c) McGraw Hill Ryerson 2007

2. (c) McGraw Hill Ryerson 2007
Force = a push or pull
electric force does this without touching the object
so is an action-at-a-distance force
Laws of Static Charge
Like charges repel
Opposite charges attract
Neutral objects are attracted to charged objects
See pages
(c) McGraw Hill Ryerson 2007

3. (c) McGraw Hill Ryerson 2007
Charging Objects
1. By Conduction
through direct contact
Extra electrons will move to a location where there is less of them
See pages
(c) McGraw Hill Ryerson 2007

4. 2. By Induction
Bringing a charged object nearby a neutral object will cause electrons to move
Take the Section 7.2 Quiz