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

  • question_answer
    A child pushes a car but it does not displace from its place then, the work done will be known as

    A) positive work              

    B) negative work

    C) zero work         

    D) None of these

    Correct Answer: C

    Solution :

        Because there is no displacement i.e. displacement = 0, hence, work = force\[\times \]displacement = 0         


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