Today in your notebooks

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Presentation transcript:

Today in your notebooks Left side items Right side items Simple machines Introduction to forces Newton’s laws chart Newton’s laws Unbalanced forces brainpop Unbalanced forces simulation In Question w.o. 12.3.12 BLANK Net force diagrams Net force notes Balancing net force Calculating net force Bill Nye Friction Friction notes

Friction (Right) What is friction? What three factors affect friction? How does friction work? The resistance that one surface or object encounters when moving over another. -The types of surfaces in contact - How much force pushes the surfaces together (normal force) - surface area *** (affects only a little) 3) Friction is a force that acts against the movement of the object (it slows the object down)