5.2 Friction

FRICTION A ________ that resists __________ . force motion Cause Direction of Force Effect Cause moving objects to slow down or stop. Contact between two surfaces. Opposite the motion of a surface. Types STATIC SLIDING ROLLING AIR VISCOUS Keeps an object at rest from moving Resists dry sliding motion Resists dry rolling motion Resists motion through air Resists motion through water

Friction Exit Slip C B D A E Match the type of friction with the letter of the picture. Rolling friction ___ Air friction ___ Sliding friction ___ Viscous friction ___ Static friction ___ C B D A E