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Mr. Dubey • 100.64K Points
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Q. How is friction due to air reduced?

  • (A) streamlining
  • (B) lubrication
  • (C) by using ball bearings
  • (D) by polishing
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Explanation by: Mr. Dubey
friction due to air is considerably reduced by streamlining the shape pf the body moving through air. for example, jets have a streamline shape.

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