Repeat Prob. 311 for: (a) x = 80, y = 30, x y = 20 cw (b) x = 30, y = 60, x y

Repeat Prob. 3–11 for:
(a) σx = −80, σy = −30, τx y = 20 cw
(b) σx = 30, σy = −60, τx y = 30 cw
(c) σx = 40, σz = −30, τx y = 20 ccw
(d ) σx = 50, σz = −20, τx y = 30 cw