In an elastic string w

Question -

In an elastic string whose natural length is equal to that of a uniform rod be attached to the rod at both ends and suspended by the middle point

Options:

A . the rod will sink until the total work done is non -zero

B . the rod will sink until the total work done is zero

C . sinking of rod is not determined on the basis of work done

D . sinking of rod is no possible.

Answer: Option B

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