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A steel wire og lrngth 1 m and diameter...

A steel wire og lrngth 1 m and diameter 3 mm is stetched horizontally between supports attached at its ends .What load would be required to be hung from the mid -point of the wrie would be required to produeced a depression of 1 cm?
`(y=2xx10^(11) NM^(-2), g=9.8 ms^(2))`

Text Solution

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The correct Answer is:
`1.15kg`
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Knowledge Check

  • A uniform steel wire of length 3.14 m and diameter 2xx10^(-3) m is fixed at its upper end. When a mass of 10 kg is attached to its lower end, the extension of the wire is 1xx10^(-3) m. The Young's modulus of elasticity is,

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  • What should be the weight suspended from the end of a steel wire 2 m in length and w mm in diameter to increase the length by 1 mm ? (Y=19xx10^(11)N//m^(2))

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  • An iron wire of length 4 m and diameter 2 mm is loaded with a weight of 8 kg. if the Young's modulus Y for iron is 2xx10^(11)N//m^(2) then the increase in the length of the wire is

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