helical spring in which the mean diameter of the coil is 8 times the wire diameter is to be designed to absorb 0.2 kNm of energy with an extension of 100 mm. The maximum shear stress is not to exceed 125 N/mm². Determine the mean diameter of the spring, diameter of the wire and the number of turns. Also find the load with which an extension of 40mm could be produced in the spring. Assume G 84 kN/mm².

helical spring in which the mean diameter of the coil is 8 times the wire diameter is to be designed to absorb 0.2 kNm of energy with an extension of 100 mm. The maximum shear stress is not to exceed 125 N/mm². Determine the mean diameter of the spring, diameter of the wire and the number of turns. Also find the load with which an extension of 40mm could be produced in the spring. Assume G 84 kN/mm².

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.8.4P: A block weighing W = 5.0 N drops inside a cylinder from a height h = 200 mm onto a spring having...

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