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CGP EDU Academic Team
Published on: September 12, 2026
The effective spring constant of two spring system as shown in figure will be
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Verified by ExpertsThe correct answer is:
A
When external force is applied, one spring gets extended and another one gets contracted by the same distance hence force due to two springs act in same direction.
i.e. $\mathbf{F} = \mathbf{F}_1 + \mathbf{F}_2$ ⇒ ⇒ $-kx = -k_1 x - k_2 x \Rightarrow k = k_1 + k_2$
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