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Isaac Anguja
Jul 16

A block and tackle system of 3 pulleys in the lower block and 4 in the upper block is used to lift the bars on a site.what is the velocity ratio of this system?if the load is to be lifted by a person?

Capable of applying a maximum effort of 1000N, what is the load that can be lifted under ideal conditions? If the actual maximum load that gets lifted turns out to be 6300N, what are the values of actual mechanical advantage and efficiency of the set-up ?

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