Levers
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Uses demonstrations to explain how levers work. Illustrates with a seesaw, hammer, and screw driver. Shows how levers make the lifting of heavy objects easier. (WCET) Kinescope.
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Sources
- 16mm Filmography (legacy record) — title, year, creator, format, genre, description, catalog record
Original permalink · Record added 2025-04-20 17:35:07