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Discussion :: Basic Mechanical Engineering

  1. In a lifting machine, a load of 240 N is being raised and the velocity ratio is 20. If the efficiency of the machine is 40%, the effort is equal to
    2. A.
    20N
    B.
    25N
    C.
    30N
    D.
    35N

    View Answer

    Workspace

    View Answer

    Answer : Option C

    Explanation :

    30N

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