Question

4 : A steel rod 2.0 m long has a cross-sectional area of 0.30 cm?. The rod is now hung by one e from a support structure, and a 550 kg milling machine is hung from the rod's lower end. Delo the stress, the strain, and the elongation of the rod. how the value Y=200*10^9​

Answer 1

answer is 1.8 mm

use Sigma = F/A

and the answer is o.18 gpa

then e= ∆l/l° = Sigma /r = 9× 10⁴-

∆l = el° = 9 × 104- × 2m

1.8mm