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A hammer when swung in a downward motion contains energy. When the hammer strikes an object the energy is transfered to the object i.e a nail, causing the nail to move in a downward motion.

One might ask the question how does a screwdriver work. The turning motion of the screwdriver upon a screw causes the screw to pull itself into, say, a piece of wood. Like the hammer energy is the important factor. Velocity and weight of the head

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17y ago

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