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
         
    Statement A: Pulling a lawn roller is easier than pushing it.
    Statement B: Pushing increases the apparent weight and hence the force of friction.                    [CDS]

    A) Statement A is correct.

    B) Statement B is correct.

    C) Both statements are correct. 

    D) Both statements are incorrect.

    Correct Answer: A


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