b A wagon weighing 35kN is attached to a wire-rope and moving down an…

Question

b A wagon weighing 35kN is attached to a wire-rope and moving down an incline at speed of 3.6km/hour when the rope jams and the wagon is suddenly brought to rest. If the length of the rope is 60 meters at the time of sudden stoppage, calculate the maximum instantaneous stress and maximum instantaneous elongation produced. Diameter of rope = 300mm. $E=200GN/m^2$

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