engineering recuitment BARC Stipendiary Trainee Category I 2023 Mock Test Physics Mechanical Properties of Solids Applications of elastic behaviour of materials
A rod of length 2 m and cross sectional area 50 mm2 is stretched by a load of 100 N. If the change in length of the rod by this load is 0.02 m then find the potential energy density stored in the rod.
1
2 × 104 J/m3
2
104 J/m3
3
4 × 104 J/m3
4
None of these