It's a lever. Doors work on hinges. Same thing as a fulcrum, only in a different position
A door on hinges is an example of a lever. The hinge acts as the fulcrum, allowing the door to pivot open or closed.
A pulley isn't a kind of simple machine, it is a simple machine
A train is not a simple machine.
IT's NOT A SIMPLE MACHINE!
A door lock is typically considered a combination of a lever and wedge simple machines. The lever is used to turn the lock mechanism, while the wedge secures the door in place when the lock is engaged.
its not a simple machine
A garage door is typically classified as a type of lever simple machine. Specifically, it can be considered a class 1 lever, where the fulcrum is located at one end, the effort is applied at the other end, and the load (the weight of the door) is situated between them. The motor or manual force used to open or close the garage door acts as the effort, while the hinges or tracks serve as the fulcrum.
It is a simple lever.
Rope is not a simple machine on its own, it's a simple machine on a wheel and axle, then it's a pulley.
a compound machine is a combination of simple machines
lever
lever