The first public institution of higher education in North Carolina, the school opened its doors to students on February 12, 1795. The university offers degrees in over 70 courses of study through fourteen colleges and the College of Arts and Sciences.
Noun. 1. pulley-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. pulley block, pulley-block, block. block and tackle-pulley blocks with associated rope or cable.
Pulleys are simple devices with many uses, and as an engineering expert, Iâve often incorporated them into mechanical designs. Theyâre used in machinery to transmit mechanical power from electric motors and engines to devices like blowers and pumps. Another common usage for pulleys is to aid in lifting.