1. Friction

2. There are 3 types of friction that occur
when a force opposes the motion of a
moving object.
• Sliding
• Rolling
• Fluid

3. Sliding Friction
• SLIDING FRICTION – occurs when two solid
objects slide over each other
• examples:

4. Rolling Friction
• ROLLING FRICTION – occurs between wheels
or spherical objects when an object is being
moved
• examples:

5. Fluid Friction
• FLUID FRICTION – occurs when an object
moves across or through a fluid (all liquids and
gases)
• examples: