So if you time it perfectly, the elevator would hit the floor but since you were in the air, you don’t feel the pressure of the landing. And then you wouldn’t get injured, right?
In: Physics
If you jump up in a fallen elevator you are not moving upward relative to the ground. You will just be moving down slightly slower.
A simple way to compare how you can jump versus the acceleration that gravity provides is to stretch your hand up and touch a point as high as you can on the wall or on something else. Then jump up from standing still and see how much higher you can reach with your hand. I think for most people it will be less than half a meter.
That is the height you can jump, you can jump on to or over higher stuff but a large part is just that you bend your legs up.
What limits the height you can jump from is gravity. So you jumping in an elevator world compensate for a fall from the height you can jump. So we talk about reducing the elevator drop by 0.5 meters.
I suspect the best to do if you were in a falling elevator is to manage to lay down on your back flat on the floors so you can spread out the force on as large an area as possible. So jumping is a bad idea,
Elevators do not fall that way you see in movies. There are systems that automatically brake if a cable snaps. It was in fact the invitation of the safety elevator the stop if the wire break that startedd the usage in buildings. Elisha Otis demonstrates the invention in 1854 and it as the start of the modern elevator business.
You can look at the design here [https://www.youtube.com/watch?v=sSjJjKcoNRk](https://www.youtube.com/watch?v=sSjJjKcoNRk)
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