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: The diagram below shows two children playing on a see-saw. What is the energy conversion that takes place when two children are playing on a see-saw?

    A) kinetic energy\[\to \]heat energy\[\to \] gravitational potential energy

    B) chemical potential energy\[\to \]kinetic energy\[\to \]gravitational potential energy

    C) gravitational potential energy\[\to \]kinetic energy\[\to \]chemical potential energy

    D) gravitational potential energy\[\to \]kinetic energy\[\to \]gravitational potential energy

    Correct Answer: D

    Solution :

        gravitational potential energy\[\to \]kinetic energy\[\to \]gravitational potential energy


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