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
          The work done becomes zero if

    A) force perpendicular to the displacement

    B) displacement is zero

    C) force acting on the body is zero

    D) All of the above

    Correct Answer: D


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