A wire breaks at stress 1 0 5 Pa and has density 2 × 1 0 3 kg/ m 3 . Minimum length breaking under its own weight ( g = 10 ) is:

σ top = ρ Lg . L = 2 × 1 0 3 × 10 1 0 5 = 5 m .

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PhysicsElasticityMiscellaneousMedium2 minQB

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A wire breaks at stress $1 0^{5} Pa$ and has density $2 \times 1 0^{3} kg/ m^{3}$ . Minimum length breaking under its own weight ( $g = 10$ ) is:

Answer:

Solution:

$σ_{top} = ρ Lg$ .

$L = \frac{1 0 ^{5}}{2 \times 1 0 ^{3} \times 10} = 5 m$ .

Stream:JEESubject:PhysicsTopic:ElasticitySubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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