A door is a class - 2 lever.
use a hammer
a lever is a soild that rotates, or turns
yes
Push the lever and the door will open.
Hold door handle (opening lever) as if you're opening the door and then push lock lever to lock
yes
Trapdoor
A door knob turns to let people open or close the door. For vehicles, a lever or button-lever opens the door. For swinging doors, body weight (pushing) opens a door.
It is a Lever handle (long instead of a knob) that has not a lock.
Yes
36 inches.