Question

There is no gain in MA in a single fixed pulley .Explain why the pulley is then used.

Answer 1

Answer:

A single fixed pulley is used to lift load by changing the direction of the lifting force. Even though a single fixed pulley has no mechanical gain in that, the effort applied is greater than the load, it is preferred in use since you do not have to pull or push the pulley up and down

Explanation: