Lever, A simple machine with a bar, Fulcrum, The fixed turning point, Load, The object being moved, Effort, The force applied, First-class lever, Fulcrum between effort and load, Second-class lever, Load between fulcrum and effort, Third-class lever, Effort between fulcrum and load, Seesaw, An example of first-class lever, Wheelbarrow, An example of second-class lever, Tweezers, An example of third-class lever

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