| An arrangement of pulleys used for mechanical advantage in lifting or pulling loads. |
A wheel with a grooved rim around which a cord passes, used to change the direction or point of application of a force applied to the cord. |
| A type of pulley that only changes the direction of the force applied. |
The weight or force that is being lifted or lowered by a pulley system. |
| A pulley system consisting of a block that contains one or more pulleys and a tackle that is attached to the load being lifted. |
A type of pulley that moves along with the load being lifted, providing a mechanical advantage. |
| A pulley system that combines both fixed and movable pulleys to provide a greater mechanical advantage. |
The ratio of the force produced by a machine to the force applied to it, often increased by using pulleys. |