One end of uniform wire of length L and of weight W is attached rigidly to a point in the…
Physics · JEE Advanced · NTA Exams — Properties of Solids and Liquids
One end of uniform wire of length L and of weight W is attached rigidly to a point in the roof and a weight W1 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
- \(\frac{\mathrm{W}_{1}}{\mathrm{~s}}\)
- \(\left[\mathrm{W}_{1}+\frac{\mathrm{W}}{4}\right] \mathrm{s}\)
- \(\frac{\left[\mathrm{W}_{1}+\frac{3 \mathrm{~W}}{4}\right]}{\mathrm{s}}\)
- \(\frac{W_{1}+W}{s}\)
Answer
(C) [ W _ 1 + 3 ~W 4 ] s
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