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

9th Class Science Work and energy Question Bank Work Power and Energy Formative Subjective Problems

  • question_answer
    Find the work done from the graph given below.

    Answer:

    Area of F - S graph gives the work done W = Area of three triangles in the graph \[=(5\times 5)+(5\times -5)+(5\times 5)\] \[=25-25+25\] \[=25\,J\]


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