Pulley systems ease lifting with ropes over wheels. Single pulleys change force direction; fixed pulleys change direction; movable pulleys reduce effort. Adding pulleys creates mechanical advantage.

LS Engine Dress Up and Billet Pulley System Install. Dressing for Success: We install a lot of win on a homely looking LS3 crate engine. Steven Rupp Writer May 20, 2015. See All 29 Photos.

By making the pulley 20% smaller and 5 times lighter than the factory pulley, it takes less kinetic energy to spin a full revolution. The 2.0 TSI crankshaft pulley design is very complex design so ...

A pulley system to make everything easier. The concept is simple. [Barnso]’s system uses three pulleys. The headphone cable goes to the PC, and then runs over the first pulley.

A pulley system with two pulleys is used to lift a 240 N load. The effort required to lift the load is 120 N. Calculate the mechanical advantage of the pulley system.