WONDER #1751: How Do Elevators Work?

Question 1 of 3

Who invented the safety elevator in 1861?

1. Benjamin Franklin
2. Archimedes
3. Elisha Graves Otis
4. Ella Vader

Question 2 of 3

What part of an elevator makes it easier for the motor to raise and lower the car?

1. counterweight
2. door
3. motor
4. pulley

Question 3 of 3

Most elevators work in a similar fashion to which simple machine?

1. inclined plane
2. wedge
3. screw
4. pulley

Check your answers online at https://wonderopolis.org/wonder/how-do-elevators-work.