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Strength of Materials - Engineering

Q1:

The neutral axis of the cross-section a beam is that axis at which the bending stress is

A zero

B minimum

C maximum

D infinity

ANS:A - zero

Initially, no load will be acting in a Cross-section of the beam.

So, bending moment on the axis of the beam.

And, it will be zero.

the intial load is zero, and there is no force act itself.