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  5. Work, Force, Energy and Simple Machines

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

  • question_answer
    Which of the following is a complex machines?

    A) Wheel and axle

    B)         Crane         

    C) Sewing machine

    D) Wedge

    Correct Answer: C

    Solution :

        Screw machine is an example of complex machine.   


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