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Railways NTPC (Technical Ability) Theory of Machines and Machine Design Question Bank Theory of Machines

  • question_answer
    An electric lift is moving downwards with an acceleration of \[\frac{g}{3}.\] The vertical force between a passenger in the lift and its floor is equal to:

    A) \[\frac{2}{3}\] of the passenger's weight

    B) \[\frac{3}{4}\] of the passenger's weight

    C) Passenger's weight

    D) \[\frac{4}{3}\] of the passenger's weight

    Correct Answer: A

    Solution :

    \[W-T=\frac{W}{3}\] \[T=\frac{2}{3}W\]


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