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Adhesion and Friction

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Adhesion and Friction

Definitions

Advantages

Disadvantages

2 surfaces stay in contact without slipping

Holds 2 parts together

FORCE that resists slipping

Increases with adhesion

Need grip for movement (climbing boots, car tires)

Parts move efficiently (friction wheels)

Video

Pulling something heavy (sleigh on snow vs ice)

Parts need to slide (pistons)

Video