Auxiliary Nurse Midwife Exam 2020 Solved Paper

Question : 25 of 130

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A lift is tied with thick iron wire and its mass is 1000kg. If the maximum acceleration of the lift in upward direction is 1.2m∕s2 and maximum safe stress is 1.4×108N∕m2, the minimum diameter of the wire is: (g=9.8m∕s2,π=22∕7)