Which one of the following statements about “beams” is false?

Question

Most structural elements of a wing, like spars, ribs and stringers, are beamlike elements,
In a truss (beam) the diagonal struts are used to transfer vertical forces, The flanges of a sheet metal beam are used to transfer shear forces, A beam has three main elements: two flanges and a web plate

Answer 1

The false statement is: A beam has three main elements: two flanges and a web plate.