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A movable pulley is a pulley in which when you shift a hefty object, the drum moves with it. There is no adjust in the direction of the drive you need to have to use, but the load will “truly feel” lighter than it truly is. For illustration, if you’re hauling a large hay bale up the barn’s attic, a moveable pulley will make the load feel a whole lot lighter, even though you might be pulling in the exact same path.
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