Which one of the following objects with inclined face at $45^{\circ}$, subjected to the given stresses, are in static equilibrium:
(A)
(B)
(C)
(D)
Which one of the following objects with inclined face at $45^{\circ}$, subjected to the given stresses, are in static equilibrium:
(A)
(B)
(C)
(D)