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pitch (mechanics)
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Pitch (mechanics)
In mechanics, the distance between the adjacent threads of a screw or bolt. When a screw is turned through one full turn it moves a distance equal to the pitch of its thread. A screw thread is a simple type of machine, acting like a rolled-up inclined plane, or ramp (as may be illustrated by rolling a long paper triangle around a pencil). A screw has a mechanical advantage greater than one.
© Research Machines plc 2008. All rights reserved. Helicon Publishing is a division of Research Machines plc.
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White, blue, and red became known as the pan-Slavic colours, influencing many other Eastern European flags. White, blue, and red are also the colours of the arms of the Duchy of Moscow. Effective date: 11 December 1993.
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