The correct answer is C: fulcrum. A lever is a simple machine consisting of a rod which pivots against a fixed hinge, also called fulcrum. Depending on where the fulcrum is located, the lever is classified in three types. The first type is a lever with the fulcrum in the middle. The second type is one with resistance in the middle. The third type is one with the fulcrum on one end and the resistance on the opposite end.
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