A) using method of joints
determine the force in members
ED, EC , EF state If in compression or tension
b) using the method of sections
determine the force in members
FE, FC, and BC state IF in compression or tension
Extracted text: F E 12 kN = P3 %3D 3 m Ax = 12 kN D A B C 3 m -3 m 3 m P, = 6 kN Ay = 3 kN P, = 9 kN Dy = 12 kN