ATPL - What is the load in the upper respectively lower girder of a spar of a cantilever wing during straight and level flight?

Question id 660 - Aircraft General Knowledge - Airframe, Systems, Powerplant - ATPL - Airline Transport Pilot license

Torsion In The Lower- And Upper Girder.

Tension in lower- and upper girder.

Compression in the upper girder and tension in the lower girder.

Tension In The Upper Girder And Compression In The Lower Girder.