1.

A rod of 40 mm diameter, 5 m long is stressed with 47.476 N/mm2 is subjected to a gradual tensile load. Strain energy absorbed by the rod is equal to _______ N-m. Given modulus of elasticity of the material of the bar as 2 × 105 N/mm2.

A. 35.81
B. 19.76
C. 12.9
D. 55.43
Answer» B. 19.76


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