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File:Four pulleys.svg

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Summary

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Description
العربية: أربع أمثلة مختلفة لأنظمة الحبل والبكرة.
English: Pulley diagram with 4 pulleys.
Suomi: Kaaviokuva neljästä taljasta.
中文：四滑轮图解。这是一个理想状态。实际上每增加一个滑轮都会增加滑轮组自重，同时也带来更大的摩擦阻力。
Nederlands: Katroldiagram met vier katrollen
Español: Diagrama de 4 poleas.
Deutsch: Flaschenzugdiagramm mit vier Flaschenzügen.
Date
Source Own work
Author Prolineserver, Tomia (minor edits by Stanisław Skowron, scale adjusted by Atropos235)
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Derivative works of this file:  Four pulleys FH.svg

Pulleys.svg, Three pulleys.svg
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Summary

[edit]

An illustration showing how pulleys are used to obtain a mechanical advantage. Using additional pulleys decreases the force required but increases the distance required to raise a load the same amount. In each instance here the mechanical work done is the same, work being the product of force and distance.

  • FZ × s = FL × h
    • 10 cm × 100 N = 10 J
    • 20 cm × 50 N = 10 J
    • 30 cm × 33 1/3 N = 10 J
    • 40 cm × 25 N = 10 J

Licensing

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I, the copyright holder of this work, hereby publish it under the following licenses:
GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.
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attribution share alike 		This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
  • share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
This licensing tag was added to this file as part of the GFDL licensing update.
w:en:Creative Commons
attribution
This file is licensed under the Creative Commons Attribution 2.5 Generic license.
You are free:
  • to share – to copy, distribute and transmit the work
  • to remix – to adapt the work
Under the following conditions:
  • attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
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File history

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Date/TimeThumbnailDimensionsUserComment
current19:57, 14 September 2008Thumbnail for version as of 19:57, 14 September 20081,565 × 685 (113 KB)Prolineserver (talk | contribs) fixed positions of layers at the masses and fixed positions of hooks
17:22, 1 April 2008Thumbnail for version as of 17:22, 1 April 20081,565 × 685 (113 KB)Atropos235 (talk | contribs)
10:28, 15 September 2006Thumbnail for version as of 10:28, 15 September 20061,566 × 695 (112 KB)Prolineserver (talk | contribs)problem fixed: back to text, curve was to bold
08:41, 13 September 2006Thumbnail for version as of 08:41, 13 September 20061,566 × 695 (117 KB)Ss181292 (talk | contribs)minor edit: text -> curve (problems between MW and Inkscape)
08:38, 13 September 2006Thumbnail for version as of 08:38, 13 September 20061,566 × 695 (107 KB)Ss181292 (talk | contribs)minor edit: 33 N -> 33 1/3 N
13:26, 2 September 2006Thumbnail for version as of 13:26, 2 September 20061,566 × 695 (107 KB)Prolineserver (talk | contribs)sigma erstmal weg
11:05, 2 September 2006Thumbnail for version as of 11:05, 2 September 20061,596 × 695 (107 KB)Prolineserver (talk | contribs)Beschrifungen ergaenzt
08:40, 2 September 2006Thumbnail for version as of 08:40, 2 September 20061,559 × 695 (107 KB)Prolineserver (talk | contribs)== Summary == {{Information| |Description = Pulley diagram with 4 pulleys |Source = self-made |Date = 2006-09-02 |Author = User:Prolineserver, User:Tomia |Permission = Licenced GFDL and CC-BY-2.5 |other_versions = Image:Pulleys.svg, [[:Image

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