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JEE Main & Advanced Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति Question Bank Self Evaluation Test - Work, Energy and Power

  • question_answer
    One man takes 1 min. to raise a box to a height of 1 metre and another man takes 1/2 min. to do so. The energy of the

    A) Two is different

    B) two is same

    C) first is more

    D) second is more

    Correct Answer: B

    Solution :

    [b] Energy required \[=mgh\] In both cases, h is the same. Hence energy both is the same.


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