it uses 2 pulleys workinf together !! hailey
no
in wellsElevators, cranes, vacuums, and motors of all types, just to name a few.elevatersMany things uses a pulley. The Venetian blinds use a pulley to change the direction of force.
There are two disadvantages:You will have to pull the rope a long distance to move the load a relatively short distance.There will be more loss of energy to friction with more pulleys.
Any power plant that uses more than a single steam turbine as a prime mover. It could be a power plant, or a ship for instance. They use a compound gear train to get everything going the same way at the same time and at the same speed.
Elevators.
Engines, sewing machines, band saws, and anything else that uses simple machines.
Simple pulley. Compound pulley. The reel is composed of two or more pulleys.
One kind of elevator uses pulleys, but not all do.
There are fixed, moveable, and compound pulleys.
A compound bow uses cables and pulleys to help provide more power when shooting an arrow. A youth compound bow would be one that's sized for a child or teenager, so it's made using smaller proportions.
It is called a compound machine.
When two or more pulleys are used together it is called a compound pulley system.
block and tackle
A compound machine that consists of both fixed and movable pulleys is a fixed pulley. This machine changes the direction of the force on a rope or belt that moves along its circumference.
Many people use pulleys in their jobs. The rides like Supreme scream, which go vertically up and down have pulleys in them. Elevators have pulleys in them, and people who ship cargo use pulleys in their cranes.
A compound bow uses a series of cables and pulleys to increase the tension of the drawstring while making it easier (requiring less effort) to pull the drawstring back. A compound bow has stiffer limbs than a standard recurve bow, and will generally shoot an arrow farther because of the increased tension.