pulley-block

1. A simple machine consisting of a wheel with a groove in which a rope can run to change the direction or point of application of a force applied to the rope (synset 104026692)
   is a type of: machine, simple machine - a device for overcoming resistance at one point by applying force at some other point
   subtypes:

   • bollock, bullock block - a pulley-block at the head of a topmast
   • fairlead - a pulley-block used to guide a rope forming part of a ship's rigging to avoid chafing
   • idle pulley, idle wheel, idler pulley - a pulley on a shaft that presses against a guide belt to guide or tighten it
   is a part of: block and tackle - pulley blocks with associated rope or cable
   same as: block, pulley, pulley block

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