Block and Tackle Pulley System?

Answer

A block and tackle pulley is a mechanical device that consists of an arrangement of ropes and pulleys that are used to lower the amount of force required to lift heavy loads. The upper block of the pulley is tied overhead, while the lower blocks are used to support the load. The effort is then applied on the free end of the rope or chain.
Q&A Related to "Block and Tackle Pulley System?"
Block and tackle can be defined as a combination of one or more pulley blocks and the associated tackle necessary to give a mechanical advantage. "Block and tackle" actually
http://www.ehow.com/about_5326622_block-amp-tackle...
a combination of one or more fixed pulleys and one or more movable pulleys such as a crane
http://wiki.answers.com/Q/What+is+chain+pulley+blo...
A rope block and tackle is a lifting device with 2 pulley sets, 1 to be fixed overhead, the other set hanging, with a load attachment hook. There will be at least 1 hanging pulley
http://answers.yahoo.com/question/index?qid=201012...
A block and tackle is a very effective device used to pull or lift heavy loads using pulleys and ropes. The arrangement between the pulley and the rope allows trading force for distance
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Explore this Topic
A block and tackle pulley involves two blocks and a rope. The rope is threaded through the pulleys. It amplifies the tensions force in the rope in order to lift. ...
A block and tackle pulley is a setup where two pulleys are attached together. To build one, you attach one pulley to a fixed object. Then you attach another pulley ...
A block and tackle is a system of multiple pulleys that are connected to a load by the use of a rope and a hook. The block and the pulley system were invented ...
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