2025Civil EngineeringMedium
A bar L metre long and having its area of cross-section A, is subjected to a gradually applied tensile load W. The strain energy stored in the bar is________?
AW2L/AE
BWL/AE
CW2L/2AE
DWL/2AE
Correct answer
C. W2L/2AE
Explanation
The correct answer is W2L/2AE.