Calculate the number of coils of a helical spring so that the deflection of the spring may not exceed 1.5 in. under a certain load. The mean diameter of the spring is 2.25 in. and the wire diameter is 0.15 in., with the material having allowable shear stress of 50,000 psi and shear modulus of elasticity of 12 x 10^6.

Calculate the number of coils of a helical spring so that the deflection of the spring may not exceed 1.5 in. under a certain load. The mean diameter of the spring is 2.25 in. and the wire diameter is 0.15 in., with the material having allowable shear stress of 50,000 psi and shear modulus of elasticity of 12 x 10^6.

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 2.8.11P: A bumper for a mine car is constructed with a spring of stiffness k = 1120 lb/in. (see figure). If a...

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