2. Sample Papers
  3. 9th Class
  4. General Knowledge

9th Class General Knowledge Sample Paper General Knowledge Olympiad Model Test Paper-14

  • question_answer
    Friction can be reduced by changing from:

    A)  Sliding to rolling

    B)  Rolling to sliding

    C)  Dynamic to static          

    D)  Potential to kinetic

    E)  None of these

    Correct Answer: A

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