If a load of 9 kg is suspended on a wire, the increase in length is 4. – McqOptions

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1.	If a load of 9 kg is suspended on a wire, the increase in length is 4.5 mm. The force constant of the wire is
A.	\[0.49\times {{10}^{4}}\,N/m\]
B.	\[1.96\times {{10}^{4}}\,N/m\]
C.	\[4.9\times {{10}^{4}}\,N/m\]
D.	\[0.196\times {{10}^{4}}\,N/m\]
Answer» C. \[4.9\times {{10}^{4}}\,N/m\]

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