A hammer is a tool or a hand tool, consisting of a weighted head which is fixed to a long handle. A hammer is an example of a machine called a lever.
A lever is a simple machine consisting entirely of a restrictive beam and a pivot.
Both the effort and the load are applied to the beam's ends. The fulcrum is the pivot point of the beam.
A hammer is an example of a machine called a lever.
Thus, the correct option is a lever.
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