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  3. 4th Class
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4th Class Science Sample Paper Science Olympiad Model Test Paper-2

  • question_answer
    Which of the following forces is responsible for stopping a ball rolling on the ground on its own?                                     

    A) Gravitation force

    B) Friction force

    C) Elastic force

    D) Muscular force

    E) None of these

    Correct Answer: B

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