Solution:
In stretching a wire, the work done against internal restoring force is stored as elastic potential energy in
the wire and is given by
Elongation (/)
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 [NEET 2019]
In stretching a wire, the work done against internal restoring force is stored as elastic potential energy in
the wire and is given by
Elongation (/)