A spring with spring constant k is extended from \[x=0\]to\[x={{x}_{1} – McqOptions

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1.	A spring with spring constant k is extended from \[x=0\]to\[x={{x}_{1}}\]. The work done will be [Orissa PMT 2004]
A.	\[kx_{1}^{2}\]
B.	\[\frac{1}{2}kx_{1}^{2}\]
C.	\[2kx_{1}^{2}\]
D.	\[2k{{x}_{1}}\]
Answer» C. \[2kx_{1}^{2}\]

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