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Shear stresses may develop along the length of the beam due to; Question 15 options: polar...

Shear stresses may develop along the length of the beam due to; Question 15 options:

polar moment of inertia

shear stress on the cross-section

bending moment

maximum normal stress

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Answer #1

Option C is correct i.e. bending moments in beam can cause longitudnal shear stresses in beam. Option A belongs to shear stress due to torsion which is transverse shear stress in beam. Option B is not correct as shear stress on cross section is transverse shear stress i.e. perpendicular to direction of axis of beam. Option D is not correct as maximum normal stress plane have zero shear stress.

Reliability of option C is shown in Figure 1 attached

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