Physics-Stress & Strain

NEET Physics Stress & Strain MCQ Question

Type: MCQ-diagram based-Easy-Class 11

Consider a diagram showing a cylindrical body under tensile stress elongating by ΔL\Delta L. If the force is normal to the cross-section and the area of the cross-section is AA, what is the expression for the stress experienced by the body?

Question diagram
A

F/A

B

A/F

C

F×AF \times A

D

F - A

Correct Answer

Option A

Detailed Explanation

Stress is defined as the restoring force per unit area, given by the formula stress = F/A where F is the force applied normal to the cross-section and A is the area of the cross-section.

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