The elevator is a type of vertical transport equipment that efficiently moves people or goods between floors of a building. Elevators are generally powered by .\rbr\rbrWith the help of an elevator prototype, this video explains 3 different pulley systems and why real elevators use 1 turn (direct) pulley systems.\rbr\rbrHow Elevators and Pulleys Work.\rbr\rbrIts really amazing to see how an elevator works! Just by looking in the elevator shaft like Im doing in this video, these are actually the scenic elevators at Sams .