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#material stiffness

3 public questions tagged with this topic.

Stress, Strain and Hooke's Law

What does the steepness of the initial linear portion of a stress-strain curve indicate?

The steepness of the initial linear portion indicates a higher Young’s modulus, meaning the material is stiffer and requires more stress to produce a given strain. As per NCERT, applying relevant law/formula with correct units and sign convention leads to Higher Young’s modulus. This satisfies dimensional consistency and physical conditions given, so option D is scientifically correct.

Ref: NCERT Class 11 Physics, Thermal Properties and Gravitation.

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Stress, Strain and Hooke's Law

What does the steepness of the linear portion of a stress-strain curve typically indicate about a material?

The steepness of the linear portion of the stress-strain curve indicates a higher Young’s modulus, meaning the material is stiffer and requires more stress to produce a given strain. As per NCERT, applying relevant law/formula with correct units and sign convention leads to Higher Young’s modulus. This satisfies dimensional consistency and physical conditions given, so option B is scientifically correct.

Ref: NCERT Class 11 Physics, Thermal Properties and Gravitation.

View Details