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What is the use of multiple pulleys? Do multiple pulleys increase the mechanical advantage? If yes, how?

What is the use of multiple pulleys? 
Do multiple pulleys increase the mechanical advantage?
If yes, how?  

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1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
8 years ago
A pulley system involves one or more pulleys that help distribute the weight of something over several points and make it easy to lift. To make a pulley system one needs an idea of what they'd like to use it for and several pulleys and rope

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