Question
Question: The force (F)-extension (l), graph shows that the strain energy stored in the material under test, f...
The force (F)-extension (l), graph shows that the strain energy stored in the material under test, for an extension of 4m, is greater than which of the following values?
A
80 J
B
60 J
C
40J
D
None of these
Answer
40J
Explanation
Solution
Area under the curve represents strain energy stored and it is
greater than 40 J.