Which of the following is a correct set of units for stress

Which of the following is a correct set of units for stress? (select all that are correct)

kips

pound-ft

pounds/ft

psi

ksi

Solution

kips is unit of force

pound ft it is a unit of work or energy

pounds per ft is a unit of linear density

psi is a unit of stress

ksi is also a unit of stress

The correct unit of stress is psi and ksi