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A spring of stiffness 1000 N m is stretched initially by...

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Machine Design
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A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is

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Correct Answer: Option D
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Madhavan Palmani
Madhavan Palmani 7 years ago
Potential Energy = 1/2 * k[(0.2)^2 - (0.1)^2].
= 15 N-m.
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