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

Question

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, M g l, M g L, 1 2 M g l, 1 2 M g L

MARKS App · Accepted Answer

1 2 K l 2 = energy K l = M g K = M g l ∴ Energy = 1 2 K l 2 = 1 2 M g l l 2 = M g l 2

Search any question & find its solution

Looking for more such questions to practice?