2) The extension spring shown in figure has full-twisted loop ends. The material is BS 5216 Grade 2. The spring has 84 coils and is close-wound with a preload of 80 N. mm a) Find the closed length of the spring. 40 mm b) Find the torsional stress in the spring corresponding to the preload. 15 m 10 mm c) Estimate spring rate. d) What load would cause permanent deformation? e) What is the spring deflection corresponding to the load found in part
2) The extension spring shown in figure has full-twisted loop ends. The material is BS 5216 Grade 2. The spring has 84 coils and is close-wound with a preload of 80 N. mm a) Find the closed length of the spring. 40 mm b) Find the torsional stress in the spring corresponding to the preload. 15 m 10 mm c) Estimate spring rate. d) What load would cause permanent deformation? e) What is the spring deflection corresponding to the load found in part
Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter6: Stresses In Beams (advanced Topics)
Section: Chapter Questions
Problem 6.3.1P: Repeat Problem 6.2-17 but now use a transformed-section approach.
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