What form of simple machine is a hammer?

A. lever

B. screw

C. pulley

D. inclined plane

Hammer. Actually, not the hammer, but it's claws that are used to remove nails. You put the hammer against the wall and pull the nail, using the hammerhead as the base and handle as the ... You guessed it. The lever. You increase the force applied to the nail by extendng the handle's movemends. Answer is A.