2. Questions Bank
  3. 9th Class
  4. Science
  5. Work and energy

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

  • question_answer
    A man pushing a computer by applying a force of 15 N. Find the work done by this force in displacing the computer through 20 cm along the direction of the push.

    A) 300 J               

    B) 3 N

    C) 3.4 J                

    D)        3 J

    E) None of these

    Correct Answer: D

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