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Railways Basic Science and Engineering Simple Machine Question Bank Levers and Simple Machines

  • question_answer
    The mechanical advantage for a pulley system is determined by

    A)  Counting the number of strands holding the resistance force.

    B)  Counting the number of strands holding and not holding the resistance force.

    C)  Adding the radii of the pulleys.

    D)  Multiplying the radii of the pulleys.

    Correct Answer: A

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