A spring obeying Hook's law has a force constant K Now the spring is cut in two equal parts, the force constant of each part will be:

Options

A. K
B. `K//2`
C. 2K
D. Zero.

Answer

c

Explanation

When the spring is cut into n equal parts then spring constant of each part becomes nk. Here `n = 2`
:.`k’=2k`
Hence correct choice is (c)