Railways Basic Science and Engineering Work, Energy And Power / कार्य, ऊर्जा एवं शक्ति Question Bank Work, Power, Energy

  • question_answer
    If air resistance is negligible, the sum total of potential and kinetic energies of a freely falling body____

    A)  increases                      

    B)  decreases

    C)  becomes zero                

    D)  remains the same

    Correct Answer: D


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