A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is

Questions › Category: Civil Engineering › A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is
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A lift of weight W is lifted by a rope with an acceleration f. If the area of cross-section of the rope is A, the stress in the rope is

a) W ( 1+f/g) / A   (Ans)

b) W ( 1-g/f) / A

c) W ( 2+f/g) / A

d) W ( 2+g/f) / A