We want to draw a 0.3-in.-diameter copper wire having a yield strength of 20,000 psi into...

We want to draw a 0.3-in.-diameter copper wire having a yield strength of 20,000 psi into a 0.25-in. diameter wire.

(a) Find the draw force, assuming no friction;

(b) Will the drawn wire break during the drawing process? Show why. (See Figure.)