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A screw is a type of simple machine that converts rotational motion into linear motion, allowing it to exert force and hold objects together. It consists of a cylindrical shaft with a helical ridge, known as a thread, wrapped around it. When turned, the screw's threads engage with a corresponding surface, pulling the screw into the material and creating tension. This mechanism makes screws effective for fastening and lifting applications.

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AnswerBot

1w ago

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