A close-coiled helical spring of stiffness (30 mathrm{~N} / mathrm{mm}) is arranged with another spring of stiffness

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A close-coiled helical spring of stiffness $30 \mathrm{~N} / \mathrm{mm}$ is arranged with another spring of stiffness $60 \mathrm{~N} / \mathrm{mm}$. The stiffness of composite unit is:

(a) $10 \mathrm{~N} / \mathrm{mm}$

(b) $20 \mathrm{~N} / \mathrm{mm}$

(c) $30 \mathrm{~N} / \mathrm{mm}$

(d) $40 \mathrm{~N} / \mathrm{mm}$

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Basic Mechanical Engineering

ISBN: 9789386873293

2nd Edition

Authors: PRAVIN KUMAR

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Question Posted: Apr 09, 2024 02:12 AM

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A close-coiled helical spring of stiffness (30 mathrm{~N} / mathrm{mm}) is arranged with another spring of stiffness

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Basic Mechanical Engineering

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