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

  • question_answer
    When a body falls, then its total energy. [Hint: Consider the law of conservation of energy]

    A) increases

    B) first increases then decreases

    C) decreases

    D) remains constant

    Correct Answer: D

    Solution :

        According to law of conservation of energy, energy can neither be created nor be destroyed it can be transformed from one form to the form only.


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