The elastic limit of brass is 379 MPa . What should be the minimum diameter of brass rod if it is to

Question

The elastic limit of brass is 379 MPa . What should be the minimum diameter of brass rod if it is to support a 400 N load without exceeding its elastic limit?

Professor PC Thomas Classes · Answer

Stress $= F/A \le 379 	ext{ MPa}$. $A = \pi d^2 / 4$.