File:Four pulleys.svg

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[edit] Summary

Description
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 poleas con 4 poleas
Deutsch: Flaschenzugdiagramm mit vier Flaschenzügen
Date 2 September 2006(2006-09-02)
Source Own work
Author User:Prolineserver, User:Tomia. (minor edits by Stanisław Skowron, scale adjusted by User:Atropos235)
Permission
(Reusing this file)

Licenced GFDL and CC-BY-2.5
Other versions

Image:Pulleys.svg, Image:Three_pulleys.svg

[edit] Summary

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
Picture of the day

This image was selected as a picture of the day for 24 March 2008(2008-03-24). It was captioned as follows:

English: Pulley diagram with 4 pulleys

[edit] Licensing

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.

w:en:Creative Commons
attribution share alike		 This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
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  • share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.
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
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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 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
10:28, 15 September 2006Thumbnail for version as of 10:28, 15 September 20061,566 × 695 (112 KB)Prolineserverproblem 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)Ss181292minor 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)Ss181292minor 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)Prolineserversigma erstmal weg
11:05, 2 September 2006Thumbnail for version as of 11:05, 2 September 20061,596 × 695 (107 KB)ProlineserverBeschrifungen ergaenzt
08:40, 2 September 2006Thumbnail for version as of 08:40, 2 September 20061,559 × 695 (107 KB)Prolineserver== 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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Width 1565
Height 685
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