COSMOS Chapter 8 Solution 75 | Answer Key - Edubirdie

University:
Michigan State University
Course:
ERG 160 | Success in Science, Technology, Engineering, and Mathematics
Academic year:

2024
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198

Pages:

1
Author:

Arielle Armstrong

COSMOS: Complete Online Solutions Manual Organization System Chapter 8, Solution 75. FBD Bucket: ( ) 0.30 ) = 0.05172 m rf = r sin φ s = r sin tan −1 µ s ( = ( 0.18 m ) sin tan −1 ΣM A = 0: (1.6 m + 0.05172 m ) T − ( 0.05172 m )W =0 T = 0.031314W  kN  = 0.031314 ( 50 Mg )  9.81  Mg   = 15.360 kN T = 15.36 kN ! NOTE FOR PROBLEMS 8.75–8.89 ( ) Note to instructors: In this manual, the simplification sin tan −1 µ ≈ µ is NOT used in the solution of journal bearing and axle friction problems. While this approximation may be valid for very small values of µ , there is little if any reason to use it, and the error may be significant. For example, in Problems 8.76–8.79, µ s = 0.50, and the error made by using the approximation is about 11.8%. Vector Mechanics for Engineers: Statics and Dynamics, 8/e, Ferdinand P. Beer, E. Russell Johnston, Jr., Elliot R. Eisenberg, William E. Clausen, David Mazurek, Phillip J. Cornwell © 2007 The McGraw-Hill Companies.

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