question_answer

A steel wire of original length 1 m and cross- sectional area \[4.00m{{m}^{2}}\] is clamped at the two ends so that it lies horizontally and without tension. If a load of 2.16 kg is suspended from the middle point of the wire, what would be its vertical depression? Y of the steel\[-2.0\times {{10}^{11}}N/{{m}^{2}}\]. Take \[g=10m/{{s}^{2}}\]

A) 1.5 cm

B) 2.8cm

C) 3.2 on

D) 4.1cm