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How is the pulley helpful for lifting objects

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The pulley is helpful for lifting objects because it allows for the use of mechanical advantage, making it easier to lift heavy objects. When a rope is threaded through a pulley system, the force required to lift an object is distributed across multiple ropes and pulleys, reducing the amount of force needed to lift the object. This makes it possible for individuals to lift heavy objects that they would not be able to lift on their own. Additionally, pulleys can also change the direction of the force applied, making it easier to lift objects that are located at a different height or angle.
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