Differentiate between Block and tackle system of pulleys ??
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A block and tackle or only tackle is a system of two or more pulleys with a rope or cable threaded between them, usually used to 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.
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Explanation:
A block set of pulleys or sheaves mounted in a single frame. An assembly of block with a rope threads through the pulleys is called the tackle.
A block and tackle system amplifies the tension force in the rope to lift heavy loads.
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