defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Physics Mechanical Properties of Solids Elastic behaviour of solids
When a block of mass M is suspended by a long wire of length L, the length of the wire becomes (L + l). The elastic potential energy stored in the extended wire is :
1
Mgl
2
MgL
3
\(\frac{1}{2}\)Mgl
4
\(\frac{1}{2}\)MgL