alleryA stress that changes an object's shape by sliding faces sideways is possible only in:
AGases
BPlasmas
CSolids
DLiquids
Answer & Solution
Correct answer: C. Solids
1. Fluids flow instead of resisting a sideways push.
2. Only a solid keeps its faces in place.
3. So shearing stress exists only in solids.
_Source: syllabus Physics Part II, Chapter 9, Mechanical Properties of Solids._
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