tool meant to deliver an impact to an object From Wikipedia, the free encyclopedia
A hammer is a tool for putting nails into objects such as wood. It has a long handle, and a tip with a flat end for hitting nails. The most common type of hammer (sometimes called a claw hammer) has a curved end (on the other side of the hitting end) for pulling nails out.
A sledgehammer is a hammer that has a longer shaft, and a more massive head. The user can swing it with two hands and apply more force.
Hammers were used around 3.3 million years ago.[1][2] The first hammers were made without handles. Stones attached to sticks with strips of leather or animal sinew were being used. Hammers with handles were made in 30,000 BCE during the middle of the Paleolithic Stone Age. The hammer was used for building, food and protection.[3]
Hammers can be classified into two. They are:
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Hand-powered hammers are hammers that are used with the hand. Examples include:
Mechanically powered hammers are hammers that are used with a machine. Examples include:
Big hammers were sometimes used as weapons. A tiny hammer is also used inside most small arms.
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