How can a key that cannot unlock a door fit into the lock? But when you try to turn it to open the door, it does not open?

Question

Title.

In: Technology

Answer 1

Theres a bunch of little pins inside of the lock that keep the lock from turning. Putting in the right key moves them all out of the way. Putting in the wrong key wont move all the pins, and the lock won’t turn because they are still in the way.