50. An open coil helical spring is made of wire 10 mm diameter. It has 15 coils of mean coil diameter 6 cm. What is the greatest axial compressive load that can be applied to the ends of the spring if the principle stress not to exceed 120 MPa, and maximum shear stress is not to exceed 80 MPa. Calculate for this load the axial and angular deflec- tion of the spring. E = 2 × 105 MPa, G = 0·8 × 105 MPa. %3D

50. An open coil helical spring is made of wire 10 mm diameter. It has 15 coils of mean coil diameter 6 cm. What is the greatest axial compressive load that can be applied to the ends of the spring if the principle stress not to exceed 120 MPa, and maximum shear stress is not to exceed 80 MPa. Calculate for this load the axial and angular deflec- tion of the spring. E = 2 × 105 MPa, G = 0·8 × 105 MPa. %3D

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter11: Columns

Section: Chapter Questions

Problem 11.6.4P: A pinned-and column of a length L = 2A m is constructed of steel pipe (E = 210GPa) having an inside...

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