Fulcrum is part of a lever.
The vampire pulled the lever and the girl fell through the floor into the dungeon.
means to support on which a lever pivots
" He lifted the lever until the full load was borne on his shoulders".
Push the lever and the door will open.
The executioner pulled the lever and made the man hang from the rope.
here i go..."Can you pull this lever down further?"
Example: Richard: "Can you please give me a fragmented sentence involving a lever?" Paul: "Certainly: A lever is called."
lever
lever
The point it pivots round. That is when you use the lever which point on the lever does not move.
One use of a lever is a wheelbarrow.