2202. mutually perpendicular principal stresses acting on a soil mass, the normal stress If p1 and p2 are________________? September 7, 2025 by Admin A. [(p – p p p to the principal plane carrying the principal stress p1, is: sin 2 B. [(p – p p p cos 2 C. [(p p p – p cos 2 ✅ The correct answer is option C.