What Is the Mechanical Advantage of a Single Fixed Pulley?

Answer

Single fixed pulley is advantageous in terms of mechanical aspect. However, the effort force is similar to the load with a single fixed pulley. The advantage in the other hand with single fixed pulley is that the load may be pulled down instead of having to lift up.
Q&A Related to "What Is the Mechanical Advantage of a Single..."
Thew pulley changes the direction of the effort force.
http://wiki.answers.com/Q/What_is_the_mechanical_a...
Pulleys change the direction of a tension force
http://www.chacha.com/question/what-is-the-mechani...
A single fixed pulley has an MA of 1. In fact, due to losses, it has a slightly less than 1 output. Its only real advantage is change of direction of a force.
http://answers.yahoo.com/question/index?qid=200911...
If these are easy, then you should be able to answer them yourself, you lazy kid.
http://answers.yahoo.com/question/index?qid=201204...
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