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  1. A wheel-barrow is an example of

  2. A.

     Class III lever

    B.

     Pulley system

    C.

     Class I lever

    D.

     Class II lever

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    Answer : Option D

    Explanation :

    A wheel barrow is an example of second class lever as the load is between the fulcrum and effort,hence it is a second class lever.


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