Physics · Mechanics of Materials
Which statement about bending stress in a beam under pure bending is correct?
- 1The stress acts at right angles to the longitudinal axis of the beam.
- 2The stress is uniform and same at every point of the cross-section.
- 3The stress changes linearly with distance from the neutral axis.✓
- 4The stress changes exponentially with distance from the neutral axis.
Correct answer
The stress changes linearly with distance from the neutral axis.
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