Question $2(5$ Marks$)$:

Each option below depicts a candidate slip plane and direction in a cubic crystal.

a$.$ Which of the following slip system candidates is the least likely to exhibit slip?

b$.$ Which of the following slip system candidates is the most likely to exhibit slip?

Show all work.

Note: the loading axis is depicted with a BLACK dotted line and is always normal to a cube face.

Slip direction $=[1-21]$ Load direction $=[010]$ Slip plane $(110)$