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Question

A blacksmith hammers a hot piece of iron while making a tool. How does the force due to hammering affect the piece of iron?


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Solution

Metals

  1. Nonmetals do not have a metallic sheen, whereas metals do.
  2. Except for potassium and sodium, all metals are extremely hard in comparison to nonmetals.
  3. Metals can be shaped.
  4. Metals are ductile in nature. They can be made into thin wires by stretching or drawing them.
  5. Metals are excellent heat and electricity conductors.
  6. Except for mercury and gallium, all metals are solid.
  7. Except for potassium and sodium, all metals have a high density.

Forging

  1. When iron is heated, its molecules gain a lot of thermal energy.
  2. Iron's malleability will aid in shaping the required shape.
  3. The arrangement of the iron crystals shifts, and the structure deforms.
  4. Recrystallization will relieve the strain created by pounding the hot iron if the temperature is high enough.
  5. The process of changing the shape of iron by hammering a hot piece of iron is called forging.
  6. The force due to hammering changes the shape of the iron piece.
  7. The desired shape can be molded using forging.

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