Consider a close-coiled helical spring of radius R, subjected to a load P. The spring consists of n turns of wire with wire radius r. The stiffness of the spring is

Consider a close-coiled helical spring of radius R, subjected to a loa

1.	Consider a close-coiled helical spring of radius R, subjected to a load P. The spring consists of n turns of wire with wire radius r. The stiffness of the spring is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» C. [C].

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Consider a close-coiled helical spring of radius R, subjected to a load P. The spring consists of n turns of wire with wire radius r. The stiffness of the spring is

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