Question
A steel wire of original length 1 m and cross-sectional area 4 mmsquare 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*10 power 11 Nm -2 and take g=10 ms-2