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Answer in short. Explain how lubricants help in reducing friction. - Physics

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Question

Answer in short.

Explain how lubricants help in reducing friction.

Answer in Brief

Solution

  1. The friction between lubricant to surface is much less than the friction between the two same surfaces. Hence using lubricants reduces the friction between the two surfaces.
  2. When the lubricant is applied to machine parts, it fills the depression present on the surface in contact. Thus, less friction occurs between machine parts.
  3. The application of lubricants also reduces wear and tear of machine parts which in turn reduces friction.
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Friction in Solids
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Chapter 6: Mechanical Properties of Solids - Exercises [Page 112]

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Balbharati Physics [English] 11 Standard Maharashtra State Board
Chapter 6 Mechanical Properties of Solids
Exercises | Q 3. iv) | Page 112
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