The wear and tear of the material in motion is caused due to ____.

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Detailed Solution

The wear and tear of the material in motion is caused due to friction.
Friction is the result of the irregularities on the two contacted surfaces. Even the smoothest surfaces have minute irregularities in them, and these irregularities of the two surfaces interlock with each other and create friction. Wear and tear are caused by friction, which reduces the lifetime of the material; this can affect production efficiency and decrease performance, resulting in increased part replacement and maintenance costs. In addition, due to the irregular surface, the large magnitude of the frictional force results in the wear and tear of the materials.

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