Civil Engineering - Theory of Structures - Discussion


The stiffness of the close coil helical spring is


Answer: Option A


No answer description available for this question.

P.Mohan said: (Aug 9, 2015)  
Explain how to derive it?

Mohan Kumar said: (Jan 27, 2017)  
We know deflection of spring= 64 wR^3N/cd^4.
Stiffness = load/ deflection.
So, subtitute R=D/2 & calculate stiffness, we get cd^4/8D^3n.

Murali said: (Aug 25, 2017)  
Explain the terms.

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