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What force will be required to …

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What force will be required to stretch a steel wire 1cm square thick...
  • 1 answers

Yogita Ingle 3 years, 11 months ago

Young’s modulus (Y) can be written as
Y = FL / (Ae)
Rearrange the above equation
F = YAe / L
= YAL / L ………[∵ Elongation (e) = L]
= YA
= 2 × 1011 N / m² × [1 cm² × 10^-4 m²/cm²]
= 2 × 107 N

Force required is 2 × 107 N

 

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