Final answer:
The first-class lever has the fulcrum located between the effort and resistance. Examples include a seesaw, scissors, and a crowbar.
Step-by-step explanation:
The class of lever that has the fulcrum located between the effort and resistance is the first-class lever (A). In a first-class lever, the fulcrum is positioned between the effort force and the resistance force. Examples of first-class levers include a seesaw, scissors, and a crowbar.