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# The space truss supports the structure of an amusement park ride (not shown) which

ISBN: 9781118807330 401

## Solution for problem 4/72 Chapter 4/5

Engineering Mechanics: Statics | 8th Edition

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Problem 4/72

The space truss supports the structure of an amusement park ride (not shown) which rotates about a vertical axis. The eight footpads form a regular octagon, and ABCDE is a pyramid with a 2.5-m-square base BCDE and vertex A, which is 0.5 m above the base. The plane of fi gure BCDE is 2 m above the plane of the joints supported by the footpads. The diagonals of the trapezoidal faces such as BCGF cross without touching. If the vertical load L is transmitted to point A and if instrumentation indicates a tensile force of 0.3L in member BC, determine the forces in members CF and CG. (Hint: Begin your analysis at point A and make full use of symmetry.)

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ENGR 232 Dynamic Engineering Systems Lecture 2 Dr. Michael Ryan This Lecture • Two simple models: object with drag, mice and owls – Solution to D.E. Via separation of variables • Separable differential equations – Analytic Solutions – Closed form – Implicit form » Domain of...

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