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Simple Machines:Levers - YouTube
Cubed by Alex Felicetti
on 2022-02-09 00:54:32
Levers are a type of simple machine that allows you to multiply your work. In this video, I illustrate a 1st class lever, a 2nd class lever, and a third-clas...
science simple machines Multimedia lesson lever video/audio
Teacher Finds
54 Funny Thank You Cards with Envelopes â Bright, playful designs perfect for kids, teachers, and bulk thank-you notes.
As an Amazon Associate, we may earn a commission on some purchases.