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Physics for Kids: Friction

Friction

Friction. (n.d.). Ducksters. https://www.ducksters.com/science/friction.php

Friction is the resistance of motion when one object rubs against another. Anytime two objects rub against each other, they cause friction. Friction works against the motion and acts in the opposite direction. When one object is sliding on another it starts to slow down due to friction. This means it loses energy. However, the energy doesn't disappear. It changes from moving energy to heat energy. This is why we rub our hands together when it's cold. By rubbing them together we generate friction and, therefore, heat. To continue reading, follow the link above.