To suspend them away from any nearby surface, thus avoiding unwanted friction which would restrict the pulley's rotational motion.
For hoisting cargoes onto ships, raising sails, turning yard arms, -any number of uses.
Gym pulleys Window blinds elevator pulleys garage door pulleys
yes the do have pulleys
FIXED PULLEYMOVABLE PULLEYBLOCK AND TACKLEAdditonal answerFlat pulleys, v-pulleys, multi-V pulleys, jockey pulleys
Pulleys are simple machines.
Yes, the belt system has pulleys.
cuz they are called PULLeys
The plural of pulley is pulleys.
yes car engines are pulleys
Leonardo da Vinci created the first Robot. He used simple pulleys and used them so the robot could move his arms and legs. he used no electricity obviously!
A system of pulleys is called a block and tackle
Pulleys is the plural form; the singular is pulley.