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MHT CET Physics question

PhysicsMechanical Properties of SolidsMHT CET

A uniform wire has length 'L' and weight 'W'. One end of the wire is attached rigidly to a point in the roof and weight 'W' is suspended from its lower end. If 'A' is the cross-sectional area of the wire then the stress in the wire at a height from its lower end is [MHT-CET 2022]

Answer: (C)

Solution

At a height from the lower end the wire carries plus the weight of the lower , i.e. ; stress

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Question ID VK-070504