# One end of uniform wire of length L and of weight  is attached rigidly to a point in the roof and a weight  is suspended from its lower end. If s  is the area of cross-section of the wire, the stress in the wire at a height (3L/4) from its lower end is a) b) c)  / d)

## Question ID - 56409 :- One end of uniform wire of length L and of weight  is attached rigidly to a point in the roof and a weight  is suspended from its lower end. If s  is the area of cross-section of the wire, the stress in the wire at a height (3L/4) from its lower end is a) b) c)  / d)

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Answer Key : (c) -
 (c) Force = weight suspended + weight of of wire Stress =

Next Question :

5 moles of AB2 weigh 125 × 10−3 kg and 10 moles of A2B2 weigh 300 × 10−3 kg. The molar mass of A(MA) and molar mass of B(MB) in kg mol−1 are :

 a) MA = 25 × 10−3 and MB = 50 × 10−3 b) MA = 50 × 10−3 and MB = 25 × 10−3 c) MA = 5 × 10−3 and MB = 10 × 10−3 d) MA = 10 × 10−3 and MB = 5 × 10−3

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