Question $3$

How does camber in a beam serve to resist loads? $($select all correct answers$)$

The stressed strands produce high compressive stresses in the lower part of the unit which are reduced when the beam is loaded.

The stressed strands produce high compressive stresses in the upper part of the unit which are reduced when the beam is loaded.

The stressed strands produce high tensile stresses in the lower part of the unit which are reduced when the beam is loaded.

The stressed strands produce high tensile stresses in the upper part of the unit which are reduced when the beam is loaded.