Example image of eyePlorer eyePlorer map for 'Pulley': Axle Circumference Drive shaft Drum Flange Groove (machining) Sheave (mechanical) Wheel Belt (mechanical) Cable Chain Rope Force Mechanical advantage Block and tackle Power (physics) Speed Torque Chain drive Line shaft Vacuum cleaner Simple machine Friction Crane (machine) Winch Archimedes Plutarch Work (physics) Belt problem Binary cam Block (sailing) Compound bow Conveyor belt Fusee (horology) Gear ratio History of engineering Jin-pole Portsmouth Block Mills Sensei robotic catheter system Underdrive pulleys Varignon frame Variomatic Zip-line Cable transport Differential pulley E. J. Pennington Erector Set Fan clutch Gear Gilmer belt