How Do Seesaws Go Up and Down?

a Film About Simple Machines
Title rated 4 out of 5 stars, based on 1 ratings
Current format, DVD, 2021, Available .
Current format, DVD, 2021, Available . Offered in 0 more formats
Learn all about mechanical engineering in this engaging explanation of its basic principles, including an introduction to levers, wedges, and inclined planes.

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  • Unrated.
Language
  • English audio.
  • Closed-captioned.

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