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Is stress a vector quantity? - Physics

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Question

Is stress a vector quantity?

Short Note

Solution

Stress = Magnitude of internal reaction force/Area of cross-section

Hence, stress is not a scalar quantity not a vector quantity, it is a tensor quantity.

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Chapter 9: Mechanical Properties of Solids - Exercises [Page 69]

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NCERT Exemplar Physics [English] Class 11
Chapter 9 Mechanical Properties of Solids
Exercises | Q 9.15 | Page 69

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