what is the mechanical advantage of a single movable pulley in the ideal case?
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Mechanical advantage of a single fixed real pulley is less than one. Change in the direction of force occurs and to overcome the friction in pulley some work is done. So, the force used to pull the rope at your end will be more than the force you will get from other end.
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In ideal case the mechanical advantage of a single movable Pulley is 2
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