Question

Define shear stress and state the principle of shear stress.

Answer 1

hi
Shearing stress is a force that causes layers or parts to slide upon each other in opposite directions.

An example of shearing stress is the force of two connecting rocks rubbing in opposite directions.
Like the normal stress, the shear stress will also have a maximum at a given angle, θτ-max. ... And the maximum shear stress will occur when the two principal normal stresses, σ1 and σ2, are equal. Principal Stresses in 3D. In some situations, stresses (both normal and shear) are known in all three directions.

hope it helps you

Answer 2

Answer:

"A sort of stress that acts coplanar with the cross-section of material," is how shearing stress is defined. Shear forces cause shear stress to develop. They are a pair of equal-but-opposed-direction forces that are acting on opposite sides of a body. Shear stress is an element of a vector.

Layers or components may slide against one another in opposing directions due to shearing tension.

Explanation:

• The stress component that is coplanar with a material cross section is known as shear stress and is frequently indicated by the symbol. It results from the sheer force, which is the part of the force vector that is parallel to the cross-section of the material.
• Principal stresses are the highest and lowest normal stress values on a plane without shear stress. Primary Plane On that plane, the main stresses are present, and there is no shear stress.

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