1.

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:

Answer»

K
`K//2`
2K
Zero.

Solution : 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)


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