Two

Question

Two closely coiled helical springs with stiffnesses k₁ and k₂ respectively are connected in series. The stiffness of an equivalent spring is given by

Options:

A . `(k_1 k_2)/(k_1 + k_2)`

B . `(K_1 - K_2)/(K_1 + K_2)`

C . `(K_1 + K_2)/(K_1 K_2)`

D . `(K_1 - K_2)/(K_1 K_2)`

Answer: Option A

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