A steel rod of cross-sectional area 4 cm2 and length 2 m shrinks by 0.1 cm as the temperature decreases in night . If the rod is clamped at both ends during the day hours, find the tension developed in it during night hours. Young modulus of steel = 1.9 × 1011 N m-2.

Amit Saxena , 10 Years ago

Grade upto college level