Screw (simple machine)
Код 3427600
- ISBN: 978-5-5089-0284-1
Код 3427600
High Quality Content by WIKIPEDIA articles! A screw is a mechanism that converts rotational motion to linear motion, and a torque (rotational force) to a linear force. It is one of the six classical simple machines. The most common form consists of a cylindrical shaft with helical grooves or ridges called threads around the outside. The screw passes through a hole in another object or medium, with threads on the inside of the hole that mesh with the screw`s threads. When the shaft of the screw...
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