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    Question

    Which of the following is not a simple

    machine?
    A Lever Correct Answer Incorrect Answer
    B Pulley Correct Answer Incorrect Answer
    C Wheel and axle Correct Answer Incorrect Answer
    D Solar panel Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

    A solar panel is not a simple machine, whereas levers, pulleys, and wheels are examples of simple machines that help make work easier.

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