Pulley

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Pulley
PulleyShip.JPG
Pulleys on a ship. In this context, pulleys are normally kent as blocks.
ClessificationSimple machine
IndustrieConstruction, transportation
Wheels1
Aixles1

A pulley or pullyshee is a wheel on an aixle or shaft that is designed tae support muivement an chynge o direction o a taut cable, supportin shell is referred tae as a "block."