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How hard would it be to use a pulley system to lift 200 tons?

How hard would it be to use a pulley system to lift 200 tons?
is it possible?


Cranes do it on a regular basis, and even more than 200 tons.
Here is a link to a 200 ton crane.
http://www.nmtcranes.co.uk/terex-demag_2 00ton_C.aspx

Here is a link to a 500 ton crane.
http://www.cranerent.com/equip_500crane.

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Kayak Pulley sysem.MPG

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Ceiling Mounted Bicycle Hoist

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pulley lift system - Bookshelf


Growing Up with Science Growing Up with Science

If a load is heavier than the person wanting to lift it, however, he or she would need This huge block-and-tackle pulley system is being used on a drilling ...

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