The Mechanics of Zippers

The Mechanics of Zippers

Assessment

Interactive Video

Physics, Science, Design

6th - 7th Grade

Hard

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The video tutorial explains the mechanics of a zipper, focusing on the simple tools of a wedge and a hook. It describes how a wedge functions by exerting force perpendicular to its movement and how a hook serves as a fastening device. The tutorial then delves into the components of a zipper, highlighting the slide and teeth. It explains the zipper mechanism, where hooks and hollows interlock to secure or release the zipper. The video emphasizes the importance of identical teeth for effective zipper functionality, ensuring a secure bond that can be easily undone by pulling the slide.

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

What new insight or understanding did you gain from this video?

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