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A movable pulley is a pulley where when you transfer a hefty item, the drum moves with it. There is no modify in the direction of the pressure you need to have to apply, but the load will “feel” lighter than it truly is. For example, if you happen to be hauling a hefty hay bale up the barn’s attic, a moveable pulley will make the load really feel a lot lighter, even though you’re pulling in the exact same course.
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