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A spring of constant K is cut into two parts by ratio 1:2. The spring constant K of larger one is? answer is 3K/2 but how?

A spring of constant K is cut into two parts by ratio 1:2. The spring constant K of larger one is? 
answer is 3K/2 but how?

Grade:12th pass

1 Answers

Khimraj
3007 Points
4 years ago
K / K’ = (2L / 3) / L
K / K’ = 2 / 3
K’ = 3K / 2
K’ = 1.5 K

Force constant of larger piece is 1.5 K
Hope it clears..........................

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