InterviewSolution
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InterviewSolution
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The wires `A` and `B` shown in Fig. are made of the same material and have radii `r_(A)` and `r_(B)`, respectively. The block between them has a mass `m`. When the force `F` is `mg//3`, one of the wires breaks. Then A. `A` will break before `B` if `r_(A) = r_(B)`B. `A` will break before `B` if `r_(A) lt 2r_(B)`C. Either `A` or `B` may break if `r_(A) = 2r_(B)`D. The lengths of `A` and `B` must be known to predict which wire will break. |
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Answer» Correct Answer - A::B::C stress in wire `VB = (mg+(mg)/(3)) (1)/(pir_(A)^(2))` |
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