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  3. 5th Class
  4. Science
  5. Work, Force, Energy and Simple Machines

5th Class Science Work, Force, Energy and Simple Machines Question Bank Work force and Energy

  • question_answer
    A sea-saw is an example of

    A)  Screw                          

    B)  First class lever

    C)         Second class lever         

    D)  Third class lever

    Correct Answer: B

    Solution :

    (b) Not Available


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