Gravity, Friction, and Force Vocabulary (textbook pg. 44)
F A E G B D C I J H Contact vs. Noncontact Forces *Think about where the force came from. Is something (matter) touching it to make it move? If so, it's a contact force. If something (matter) isn't touching it to cause motion then it's a noncontact force.Textbook pg. 45 is where contact forces begins. N C C N N C N N N C