Mechanical Engineering - Strength of Materials - Discussion

Discussion Forum : Strength of Materials - Section 1 (Q.No. 3)
3.
The neutral axis of the cross-section a beam is that axis at which the bending stress is
zero
minimum
maximum
infinity
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
41 comments Page 5 of 5.

Gebremedhin said:   9 years ago
Due to Hooke's Law, the stress in the beam is proportional to the strain by E, the modulus of Elasticity.
Therefore, from statics a moment (i.e. pure bending) consists of equal and opposite forces. So, the total amount of force across the cross section must be 0.


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