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Q: Friction can be reduced by changing from

  • 1
    Static to Dynamic
  • 2
    Rolling to Sliding
  • 3
    Dynamic to Static
  • 4
    Sliding to Rolling
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Answer : 4. "Sliding to Rolling"
Explanation :

Answer: D) Sliding to Rolling Explanation: Any object rolls when there is no friction. So, Sliding to Rolling is correct.

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