Single movable pulleys are a type of pulley that freely move up or down. They are attached to a ceiling or other object by two ropes of the same... Learn more about this topic: Pulley Overview, Types & Examples from Chapter 8/ Lesson 2 ...
The single fixed pulley does not decrease the effort but changes its direction for easy lifting of load. The mechanical advantage of a single fixed pulley is 1. Thus, in the case of a single fixed pulley effort is equal in magnitude to the load whereas in a single movable pulley effort...
it is attached to a fixed point and allows the rope or cable to do work. A movable pulley travels along with the object being moved by the pulley. A movable pulley multiplies the force being applied to move the object. Combining several pulleys can form a compound machine called a block ...
when upper portion of the ladder is extended from the lower portion as typically manually performed by a user pulling on a rope41aattached near the bottom of the upper portion which is fed through a pulley41battached near the top of the lower ladder portion, would cause the ladder to undesi...