Adhesion and friction
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Adhesion and Friction. Definitions Advantages Disadvantages. Adhesion. 2 surfaces stay in contact without slipping Holds 2 parts together. Friction. FORCE that resists slipping Increases with adhesion. Opposite of Friction. Advantages.

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Presentation Transcript
Adhesion and friction

Adhesion and Friction

Definitions

Advantages

Disadvantages


Adhesion
Adhesion

2 surfaces stay in contact without slipping

Holds 2 parts together


Friction
Friction

FORCE that resists slipping

Increases with adhesion



Advantages
Advantages

Need grip for movement (climbing boots, car tires)

Parts move efficiently (friction wheels)

Video


Disadvantges
Disadvantges

Pulling something heavy (sleigh on snow vs ice)

Parts need to slide (pistons)

Video


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