How does an elevator lift people safely up tall buildings?
The Box That Bites
How does an elevator lift people safely up tall buildings?
Step into the little box, press a button, and whoosh — you glide up forty floors as if the building decided to hand you the view for free. It feels effortless. But behind that calm ride is a clever pile of physics, all working hard so you don't have to think about it for even a second.
Here's the first surprise: the elevator isn't really being shoved upward from below. It's being pulled. Strong steel cables run from the top of the car, up over a wheel near the roof of the building, and down the other side. The elevator hangs from those cables like a bucket on a rope in a very deep well.
