Friction and Its Effects
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Explains that friction can help or hinder, depending on how it is used and controlled. Shows that when objects rub together, friction is produced--a resistance to movement, which causes heat and wear. Illustrates the effects, uses, and disadvantages of friction, and describes methods of controlling it. Collaborator, Clifford G. McCollum.
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Original permalink · Record added 2024-04-22 15:24:23