Computer · Mechanics of Materials
When the Mohr's circle drawn for a certain two-dimensional stress state in a body is tangential to the Y-axis (shear stress axis), which of the following conditions must be true?
- 1One of the principal normal stresses is equal to zero.✓
- 2Both bi-axial normal stresses are equal in magnitude but of opposite nature.
- 3The shear stress on the principal planes is non-zero.
- 4Both bi-axial normal stresses are equal in magnitude and have the same nature.
Correct answer
One of the principal normal stresses is equal to zero.
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