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Compute the elongation of the steel wire...

Compute the elongation of the steel wire in the figure. Unloaded length of the steel wire `=1.5` m, the diameter of the wire is `0.25` m, Young's modulus of steel is `2xx10^(11)" N m"^(-2)`.

Text Solution

Verified by Experts

`F=4xx9.8=39.2N`
`A=piR^(2)`
`DeltaL=(FL)/(AE)=5.99xx10^(-9)" m"=5.99" nm"`
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