3. The maximum unit fiber stress at any vertical section in a beam is obtained b

Question

3. The maximum unit fiber stress at any vertical section in a beam is obtained by dividing the moment at that section by (A) the section modulus (B) the cross-sectional area (C) one-half the distance to the point where the shear is zero (D) the radius of gyration (E) the moment of inertia 4. The bending moment of a beam (A) depends on the modulus of elasticity of the beam (B) is minimum where the shear is zero (C) is maximum at the free end of a cantilever (D) is plotted as a straight line for a simple beam with a uniformly distributed load E) may be determined from the area of the shear diagrarm

Explanation / Answer

3. Answer:- (A) the section modulus

We know that

fiber stress = Moment/(section modulus)

4. Answer:- (A) depends on the modulus of elasticity of the beam

We know that

Bending moment = E *I/R

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