What is friction?

or:What is friction?or:Friction is a force. It is a force that slows motion and dampens energy. When wind blows through a tree the tree impedes the w

or:What is friction?

or:Friction is a force. It is a force that slows motion and dampens energy. When wind blows through a tree the tree impedes the wind flow. http://www.theweatherprediction.com/habyhints2/476/

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