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5th Class General Knowledge Science and Technology Question Bank Science and Technology

  • question_answer
    A simple machine is a basic mechanical device for applying force. Fill in the blank about the screw, which is a simple machine. The screw is a (n) ______ wrapped around a central cylinder.

    A)  Lever

    B)  Inclined plane

    C)  Wedge

    D)  Wheel and axle

    Correct Answer: B

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