Name the type of a single pulley that has an ideal mechanical advantage equal to 2. Draw a labelled diagram of the pulley mentioned by you.
Single movable pulley acts as a force multiplier and has a mechanical advantage of 2.
A pulley system has a velocity ratio 3 and an efficiency of 80%. Draw a labelled diagram of this pulley system. Calculate :
(a) the mechanical advantage of the system, and
(b) the effort required to raise a load of 300 N.