A closely coiled helical spring of radius R, contains n turns and is subjected to an axial loadW. 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) WR/ 3
(B) 2WR/ 3
(C) 2WR/ 2
(D) 4WR/ 2
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) WR/ 3
(B) 2WR/ 3
(C) 2WR/ 2
(D) 4WR/ 2