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Engineering

Mechanical Engineering

beam

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 11.5.2P: ‘11.5-2 A steel bar having a square cross section (50 mm × 50 mm)and length L = 2.0 in is compressed...

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Concept explainers

Axial Load

When a bar of the uniform cross-section is acted by a load, such that the load acts along the longitudinal axis of the bar, such kinds of loadings are known as axial loadings. In general terms, a load is an external force acting on a component. An axial load acts perpendicular to the geometric cross-section of the component. Based on the direction of the application of the load, an axial load can be tensile or compressive. The analysis of bodies under the action of axial loads is generally studied under the branch of mechanics, known as statics.

Question

Determine the equivalent stiffness of a cantilever beam which is loaded transversely on its end and has a length in 5000 mm and an annular cross section with inner and outer diameters of 25 mm and 22 mm, respectively. The modulus of elasticity of the beam is 72x109 N/m2. Use moment of inertia I=π(D4o−D4i)/64 and spring constant is (k= 500 N/m). Answer must be in three decimal places.

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