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  3. 5th Class
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  5. Work, Force, Energy and Simple Machines

5th Class Science Work, Force, Energy and Simple Machines Question Bank Work, Force, Energy and Machine

  • question_answer
    The unit of power is _____.

    A) watt per second          

    B) joule

    C) Kilojoule                             

    D) Joule per second

    Correct Answer: D

    Solution :

       


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