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

  • question_answer
    DIRECTION: Match Column-I with Column-II and select the correct answer using the code given below the columns.
    Column - I Column - II
    (A) a car is moving in the direction of force (p) zero work
    (B) A boy is studying in his classroom (q) negative work
    (C) Rising up of an object against force of gravity (r) Potential energy
    (D) Water stored in tank on the roof (s) Positive work

    A) A\[\to \] (s), B\[\to \] (p), C\[\to \] (q), D\[\to \] (r)

    B) A\[\to \] (r), B\[\to \] (s), C\[\to \] (q), D\[\to \] (p)

    C) A\[\to \] (p), B\[\to \] (r), C\[\to \] (s), D\[\to \] (q)

    D) A\[\to \] (q), B\[\to \] (p), C\[\to \] (r), D\[\to \] (s)

    Correct Answer: A

    Solution :

        A\[\to \] (s), B\[\to \] (p), C\[\to \] (q), D\[\to \] (r)


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