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This Concept Map, created with IHMC CmapTools, has information related to: Pulley, PULLEY Movable pulley The main disadvantage of a movable pulley is that you have to pull or push the pulley up or down., PULLEY Fixed pulley The disadvantage is that you have to apply more effort than the load ., PULLEY Combined pulley A combined pulley makes life easier as the effort needed to lift the load is less than half the weight of the load, PULLEY Combined pulley The main disadvantage is it travels a very long distance., PULLEY Movable pulley A movable pulley is a pulley that moves with the load., PULLEY Fixed pulley The advantage of the fixed pulley is that you do not have to pull or push the pulley up and down., PULLEY Fixed pulley A fixed pulley is the only pulley that when used individually, uses more effort than the load to lift the load from the ground., PULLEY Movable pulley The movable pulley allows the effort to be less than the weight of the load., PULLEY Movable pulley The main advantage of a movable pulley is that you use less effort to pull the load, PULLEY Combined pulley The main advantage of this pulley is that the amount of effort is less than half of the load.