NCERT Example 8.1 - Mechanical Properties of Solids
Question: A structural steel rod of radius 10 mm and length 1.0 m is stretched by a 100 kN force. Find stress, elongation, and strain. Y = 2.0 x 10^11 N m^-2.
Answer: Stress = **3.18 x 10^8 N m^-2**; elongation = **1.59 mm**; strain = **1.59 x 10^-3 (0.16%)**.
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