3. Force on mixed dislocation B C X given: D a mixed dislocation AB of unit length with b//OX (AB,b=I-a determine: force on AB for slip and climb3. Force on mixed dislocation given: D a mixed dislocation of unit length with AB b // OX  ( , =  −)  AB b  determine: force on for slip and climb AB x y z B A s f b   v 