always equal to factor of safety

always less than factor of safety

always greater than factor of safety

sometimes greater than factor of safety

is equal to 1

is always less than 1

is always greater than 1

can be less than 1

equal to load factor in determinate structures

more than the load factor in determinate structures

less than the load factor in determinate structures

unpredictable

equilibrium condition

yield condition

plastic moment condition

mechanism condition

displacement

load

slope

moment