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NEET Sample Paper NEET Sample Test Paper-88

  • question_answer
    A spool is pulled horizontally by two equal and opposite forces on rough surface. The correct statement is:

    A) centre of mass of spool moves towards right

    B) centre of mass of spool moves towards left

    C) centre of mass remains at rest

    D) none of these

    Correct Answer: A

    Solution :

    [a] The sliding tendency of bottom most point of the spool is backward, so friction acts rightwards. Therefore centre of mass of spool moves rightwards.


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