engineering recuitment JSSC JE Mock Test 2023 Strength of Materials Simple Stress and Strain Deflection of Bar
A steel wire of cross-sectional area 100 mm2 and length 100 m is used to lift a weight of 2.5 kN at its lowest end. What is the total elongation of the wire if the mass density of the wire is 8 kg/m3 ? (Take E = 200 GPa and acceleration due to gravity is 10 m/s2)
1
14.5 mm
2
29 mm
3
7.5 mm
4
36.5 mm