Physics-Stress & Strain
NEET Physics Stress & Strain MCQ Question
Type: MCQ-numerical-Easy-Class 11
If a force of 1000 N is applied normal to the cross-section of a wire with an area of 2 m², what is the magnitude of the stress developed in the wire?
A
500 Pa
B
2000 Pa
C
5000 Pa
D
100 Pa
Correct Answer
Option A
Detailed Explanation
Stress is defined as the force applied per unit area. Using the formula stress = F/A, where F is 1000 N and A is 2 m², the stress is 1000 N / 2 m² = 500 Pa.
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