A 2-in steel plate and a 1-in cast-iron plate are compressed with one bolt, one ½ N American Standard plain washer under the head of the bolt, another identical washer under the nut, and one nut. The bolt is ½ in – 13UNC. Determine:

(a) a suitable length for the bolt, rounded up to the nearest 4 in;

(b) the bolt stiffness;

(c) the stiffness of the members.

Answer