UPSC Physics Work, Energy And Power / कार्य, ऊर्जा एवं शक्ति Question Bank Laws of Motion, Force, Work, Energy and Power, Centre of Mass

  • question_answer
          A spherical body moves with a uniform angular velocity (w) around a circular path of radius r. Which one of the following statements is correct?                               [IAS Prelim]

    A) The body has no acceleration

    B) The body has a radial acceleration \[{{\omega }^{2}}r\] directed toward centre of path

    C) The body has a radial acceleration \[2/5{{\omega }^{2}}r\] directed away from the centre of the path

    D) The body has an acceleration \[{{\omega }^{2}}\] tangential to its path

    Correct Answer: B


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