The resistance of moving surfaces produces friction. Friction always results in a loss of energy in the form of heat which enters the atmosphere. True. Oil or water clinging to a surface of a jar is an example of... The last one I believe is either fraction or adhesion.
Friction arises from the resistance of moving surfaces and results in a loss of energy as heat. It can be caused by different materials' attraction, and oil or water clinging to a jar is an example of adhesion. Understanding these concepts is important in physics as they explain the interactions between surfaces.
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