A closely coiled helical spring of radius R, contains n turns and is s – McqOptions

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1.	A closely coiled helical spring of radius R, contains n turns and is subjected to an axial load W. If the radius of the coil wire is r and modulus of rigidity of the coil material is C, the stress developed in the helical spring is
A.	[A].
B.	[B].
C.	[C].
D.	[D].
Answer» C. [C].

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