Name the pulley which has no gain in mechanical advantage. Explain, why is such a pulley is then used?
Name the pulley which has no gain in mechanical advantage. Explain, why is such a pulley is then used?

Solutions:

There is no mechanical benefit with a single fixed pulley. A single fixed pulley is solely used to shift the direction in which the effort is applied, allowing the effort to be applied in a more convenient manner. Lifting a burden directly upwards is tough.