A metal wire of length L is suspended vertically from a rigid support – McqOptions

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1.	A metal wire of length L is suspended vertically from a rigid support when the body of mass M is attached to the lower end of the wire, the elongation of the wire is\[l\]. The elastic potential energy stored in the wire is
A.	\[mgl\]
B.	\[mgl/2\]
C.	\[mgl/3\]
D.	\[mgl/4\]
Answer» C. \[mgl/3\]

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