engineering recuitment KPSC Assistant Engineer Civil Mock Test 2020 Strength of Materials Strain Energy
The strain energy stored in member AB of the pin jointed truss in point D, weight as P shown below in A & E are same for all the members
1
\(\frac{{{p^2}l}}{{AE}}\)
2
zero
3
\(\frac{{2{p^2}l}}{{AE}}\)
4
\(\frac{{{p^2}l}}{{2AE}}\)