A machine frame shown in the figure below is subjected to a horizontal force of 600 N parallel to z-direction.
A) The normal and shear stresses in MPa at point P are respectively
(a) 67.9 and 56.6
(b) 56.6 and 67.9
(c) 67.9 and 0.0
(d) 0.0 and 56.6
B) The maximum principal stress in MPa and the orientation of the corresponding principal plane in degrees are respectively.
(a) –32.0 and –29.52
(b) 100.0 and 60.48
(c) –32.0 and 60.48
(d) 100.0 and –29.52