What happens if w e hit iron nail with hammer?

When you hit an iron nail with a hammer, the force from the hammer drives the nail into the material (like wood) it is being inserted into. The impact causes the nail's pointed end to penetrate the surface, creating a hole and displacing the material around it. This process can also cause the nail to deform slightly, allowing for a tighter grip in the substrate. Overall, the hammer's impact transforms kinetic energy into mechanical work, securing the nail in place.