A block and tackle, only tackle or purchase is a system of two or more pulleys with a rope or cable threaded between them, used to provide tension and lift heavy loads. The pulleys are assembled to form blocks and then blocks are paired so that one is fixed and one moves with the load.
A block and tackle, only tackle or purchase is a system of two or more pulleys with a rope or cable threaded between them, used to provide tension and lift heavy loads. The pulleys are assembled to form blocks and then blocks are paired so that one is fixed and one moves with the load.
Source: Wikipedia "Block and tackle" · CC BY-SA 4.0
Share this article: X · Bluesky