हिंदी

Which of the following increases friction? -

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प्रश्न

Which of the following increases friction?

विकल्प

  • Lubricant

  • Treads on a tyre

  • Streamlining

  • Polishing

MCQ

उत्तर

Treads on a tyre

shaalaa.com
Increasing and Reducing Friction
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