Civil Engineering - Strength of Materials - Discussion

19. 

In a square beam loaded longitudinally, shear develops

[A]. on middle fibre along horizontal plane
[B]. on lower fibre along horizontal plane
[C]. on top fibre along vertical plane
[D]. equally on each fibre along horizontal plane
[E]. none of these.

Answer: Option D

Explanation:

No answer description available for this question.

Samm said: (Jul 13, 2016)  
I think it should be increase towards neutral axis.

Skm said: (May 14, 2018)  
Shear stress is Maximum at NA and decreases parabolically towards the edge.

Skm said: (May 14, 2018)  
Option E is correct.

Varun said: (Jul 29, 2018)  
Shouldn't it be (A - on middle fibre along horizontal plane) as shear stress is max at NA.

Please explain.

Ayesha said: (Aug 9, 2019)  
Due to longitudinal load in the beam shear force will not develop. Only due to transverse load shear force and bending moment will develop.

Muhammd Usman said: (Feb 17, 2020)  
As shear stress parabolically decreases from the center if we cut beam horizontally the stress is equal. Everywhere is D is correct.

Mjm Gcek said: (Aug 17, 2021)  
It should be maximum towards the neutral axis.

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