Question

3. A single movable pulley is used to lift 4000 N load to the height of 50 cm. If the
efficiency of the pulley system is 75%, calculate effort distance, effort applied,
input work, output work and loss of energy in the simple machine.plz answer this question I will mark u as a brainlist​

Answer 1

Answer:

the mechanical advantage of a moveable pulley is 2. This means that a moveable pulley will halve the required force needed to move any object attached to it.