GATE ME 2023 ME Q59: Mechanics of Materials

A cylindrical bar has a length

and cross section area

. The bar is made of a linear elastic material with a density

and Young’s modulus

. The bar is suspended as shown in the figure and is in a state of uniaxial tension due to its self-weight.

The elastic strain energy stored in the bar equals ________ J. (Rounded off to two decimal places)

Take the acceleration due to gravity as

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