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

  • question_answer
    DIRECTIONS: On the basis of following diagram/ picture answer the questions given below: A mass M is hung from a spring. It is then pulled down slightly and allowed to vibrate vertically between P and Q. Which row is correct?
    Energy at point P Energy at point Q
    A kinetic kinetic
    B kinetic potential
    C potential kinetic
    D potential potential

    A) A                                 

    B) B

    C) C                                

    D) D

    Correct Answer: D

    Solution :

        At P the energy is gravitational potential energy. At Q the energy is elastic potential energy


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