The Wonder Of Friction

Explains the importance of friction--in moving cars, planes, trains, in sports and music and in aiding birds to fly and fish to swim.

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Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — catalog record