Question

The force required to stretch a steel wire of 1\,c{{m}^{2}}
cross-section to 1.1 times its length would be (Y=2\times {{10}^{11}}\,N{{m}^{-2}})
[MP PET 1992]
A) 2\times {{10}^{6}}\,N B) 2\times {{10}^{3}}\,N C) 2\times {{10}^{-6}}N D) 2\times {{10}^{-7}}\,N

Answer 1

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The answer of u r question is...

Option.D

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Answer 2

The force required to stretch a steel wire of 1\,c{{m}^{2}}

cross-section to 1.1 times its length would be (Y=2\times {{10}^{11}}\,N{{m}^{-2}})

[MP PET 1992]

A) 2\times {{10}^{6}}\,N B) 2\times {{10}^{3}}\,N C) 2\times {{10}^{-6}}N D) 2\times {{10}^{-7}}\,N✔✔