Block and tackle system
by Claudia M Photography
Title
Block and tackle system
Artist
Claudia M Photography
Medium
Photograph - Photograph - Photographs - Prints - Digital Images - Cards - Posters
Description
A block and tackle is a system of two or more pulleys with a rope or cable threaded between them, usually used to lift or pull heavy loads.
The pulleys are assembled together to form blocks and then blocks are paired so that one is fixed and one moves with the load. The rope is threaded, or rove, through the pulleys to provide mechanical advantage that amplifies that force applied to the rope.
A block is a set of pulleys or "sheaves" mounted on a single axle. An assembly of blocks with a rope threaded through the pulleys is called tackle. A block and tackle system amplifies the tension force in the rope to lift heavy loads. They are common on boats and sailing ships, where tasks are often performed manually.
Please note that the FINE ART AMERICA watermark will not appear on the final print! :)
Featured in:
* WHAT Interrobang
* The Niche
Uploaded
January 29th, 2017
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Viewed 472 Times - Last Visitor from New York, NY on 04/12/2024 at 9:33 PM
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