Tut_4_Worksheet_2018_2.pdf - Curtin University Engineering Foundation Year Engineering Mechanics Work Sheet 4 – Rigid Bodies in Equilibrium Objective

Tut_4_Worksheet_2018_2.pdf - Curtin University Engineering...

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Curtin University Engineering Foundation Year Engineering Mechanics Work Sheet 4 – Rigid Bodies in Equilibrium Objective: These weekly work sheets are designed to encourage clear and correct working procedures applicable to Engineering Mechanics. This one shows how you should set out your work in a logical fashion. Page ____ of _____ Author’s Name : _____________________________ Date : ___________________________ Client/Job Name : EM – Tutorial 4 Problem/Calculation Statement (i.e. What is being sought in this work?) The uniform steel plate shown is 30 mm thick. The density of steel is 7865 kg/m 3 . Determine the tension in each of the supporting cables. Solution Method : In this case we adopt a standard procedure. The equations of static equilibrium
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Unformatted text preview: in three dimensions would be cited. Your working should have the following characteristics and answer the following questions: • Indicate that you are working with equilibrium of rigid bodies (in three dimensions). • Sketch a clear and precise free body diagram. Why are the cables hanging vertically? • Select a coordinate system. Why might the one shown on the figure above be advantageous? • The plate has distributed weight. How will you handle this? • Write clearly the six component equations of equilibrium. Which three are not used in this problem? • Solve for the three tensions. Back substitute to check correctness. Engineering Mechanics – Tutorial 4 2 Equilibrium Equations...
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