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It's kind of like a rubber band, except your hand is the rubber and the string is the band. The momentum of the yoyo going down and you snapping your wrist makes it go back up.

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16y ago
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6mo ago

A yo-yo consists of a spool attached to a string. By letting the yo-yo unravel while holding the string, gravity pulls it down. When the string reaches its length, the yo-yo's momentum makes it reverse direction and wind back up. The yo-yo's design allows it to spin freely as it unwinds and rewinds.

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Q: How does the yo-yo work?
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What energy transformation occurs in dropping a yoyo?

When a yoyo is dropped, the potential energy stored in the yoyo due to its height is transformed into kinetic energy as the yoyo falls. The yoyo then converts this kinetic energy into rotational motion as it spins.


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