There is no gain in mechanical advantage in the case of a single fixed pulley.

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asked Dec 6, 2018 in Class X Science by aditya23 Premium (905 points)

There is no gain in mechanical advantage in the case of a single fixed pulley. Explain, why the pulley is then used?

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answered Dec 6, 2018 by muskan15 (-1,643 points)

 It is used only to change the direction of effort to a more convenient direction and to use one’s own weight for the effort.

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