A) Scalar
B) Vector
C) Phasor
D) Tensor
Correct Answer: D
Solution :
Stress is defined as Resisting force per unit area of an element, on which load is applied. Stress is always perpendicular to a cross-section in the element. It is neither scalar (it cannot be numerically added), nor is it a vector (it does not follow the triangle rule of vector addition). It is a tensor quantity because it describes things happening in two Direction simultaneously.
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