Problem $6$

Complete $2\mathrm{.}171$ from the course text.

$2/171$ A die is being used to cut threads on a rod. If $15-$lb

forces are applied as shown, determine the magni$-$

tude $F$ of the equal forces exerted on the $\frac{1}{4}-in.$ rod

by each of the four cutting surfaces so that their

external effect on the rod is equivalent to that of

the two $15-lb$ forces.

Problem $2/171$