9th Class Science Work and energy Question Bank Work, Energy and Sound

  • question_answer
    Which of the following statements is incorrect?

    A) Work done is positive when displacement is along the force applied.

    B) Work done is negative when displacement is opposite the force applied.

    C) Work done is zero when displacement is perpendicular to the force applied.

    D) All the above

    E) None of these

    Correct Answer: E


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