What is the point on a lever that remains fixed in its position?
Fulcrum
Fulcrum is correct.
A lever is a rigid bar that turns about a fixed point. That fixed pivot is the fulcrum; it stays in place while the lever is used.
The effort is the force applied to the lever and the load is the weight or resistance it moves; both act at points that move as the lever turns.
Levers are grouped into three classes by where the fulcrum lies relative to the effort and the load, for example a see-saw has the fulcrum in the middle.
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