A cylindrical beam is bent during static loading. What happens to the stress at the outer surface if the cross-sectional area of the beam decreases by 25%? A. The stress increases by 25%. B. The stress decreases by 33%. C. The stress increases by 33%. D. The stress decreases by 25%. When a beam experiences shear stress due to bending, which of the following statements must be true? A. The beam always experiences plastic deformation. B. Transverse shear stress is always accompanied by torsional stress. C. Transverse shear stress is always accompanied by bending stress. D. Transverse shear stress is never accompanied by bending stress. A cylindrical beam is bent during static loading. What happens to the stress at the outer surface if the cross-sectional area of the beam decreases by 25%? A. The stress increases by 25%. B. The stress decreases by 33%. C. The stress increases by 33%. D. The stress decreases by 25%. When a beam experiences shear stress due to bending, which of the following statements must be true? A. The beam always experiences plastic deformation. B. Transverse shear stress is always accompanied by torsional stress. C. Transverse shear stress is always accompanied by bending stress. D. Transverse shear stress is never accompanied by bending stress.