InterviewSolution
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InterviewSolution
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As shown in adjacent figure if a load of mass `(m)` is attached at lower end of wire. Then find the displacement of the points `B,C` and `D` are as shwon in figure. (i) elongation of first wire `e_(1) = ((mg)l_(1))/(AY_(1))` (ii) elongation of `2nd` wire `e_(2) = ((mg)l_(2))/(AY_(2)) + ((mg)l_(1))/(AY_(1))` (iii) elongation of `3rd` wire `e_(3) = ((mg) l_(3))/(AY_(3)) + ((mg)l_(2))/(AY_(2)) + ((mg) l_(1))/(AY_(1))` A. (i) is correctB. (i)&(ii) is correctC. (iii) is correctD. All are correct. |
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Answer» Correct Answer - D displacement of `B` is `e_(1)`, displacement of `C` is `e_(1) + e_(2)` displacement of `D` is `e_(1) + e_(2) + e_(3)` |
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