Question
The area of cross-section of a steel wire (Y = 2.0 x 10¹¹ N / m²) is 0.1 cm² . The force required to double its length will be
Options :
2 x10¹² N
2 x10¹¹ N
2 x10¹⁰ N
2 x10⁶ N
Answer :
2 x10⁶ N
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