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Chhattisgarh PMT Chhattisgarh PMT Solved Paper-2010

  • question_answer
    A lift moving up comes to rest with a retardation. The weight of the man in it

    A)  increases

    B)  decreases

    C)  remains constant

    D)  either increases or decreases

    Correct Answer: B

    Solution :

    If the lift is accelerating downward at the rate of 'd or retarding upwards (v = variable) and a < g Then, \[mg-R=ma\] \[\therefore \]  \[R=m(g-a)\]or Apparent weight < Actual weight.


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