7th Class Science Related to Competitive Exam Question Bank Work and energy

  • question_answer
    The potential energy of a freely falling object decreases progressively.

    A) The law of conservation of energy is violated

    B) Potential energy gets converted into kinetic energy progressively

    C) Sum of Potential Energy and Kinetic Energy at any point during the free fall remains constant

    D) Both (b) and (c)

    Correct Answer: D

    Solution :

        Potential energy gets converted into kinetic energy progressively and the sum of potential energy and kinetic energy at any point during the free fall remains constant.


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