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Motion and Stability: Forces and Interactions: Forces
The Importance of Friction in Daily Life
Description
The Importance of Friction in Daily Life
Friction is the force that resists motion between two surfaces that are touching. You feel it every day—when you walk, hold a pencil, or slow down a moving object. It helps your shoes grip the floor, keeps cars from sliding, and allows things to stop inste...
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Transcript
Friction is the force that resists relative motion between two surfaces when they rub against each other.
You really notice friction when it’s missing. Like when you step onto an icy sidewalk and suddenly slip. That’s because there’s very little friction between your shoes and the ice.
On a dry sidewalk, your shoes grip the ground mu...
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