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Lecture+05 - 440:221 Intro to Engineering Mechanics:...

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440:221 Intro to Engineering Mechanics: Statics Instructor: Alberto Cuitino TA: Pam Carabetta and Jingru Zhang 1 Lecture 5 Fall 2009 Based on Textbook Material: Engineering Mechanics Statics, 12 th Edition, R.C. Hibbeler, Pearson 2010.
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440:221 Lectures School of Engineering, Fall 2009 Topics to be covered • What changes from 2D to 3D? • What are the 3D equation of equilibrium for a particle? • How do we solve 3D problems? 2
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440:221 Lectures School of Engineering, Fall 2009 Equilibrium 3D 3 Σ F = 0
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440:221 Lectures School of Engineering, Fall 2009 This vector equation will be satisfied only when Σ F x = 0 Σ F y = 0 Σ F z = 0 These equations are the three scalar equations of equilibrium . They are valid for any point in equilibrium and allow you to solve for up to three unknowns. The Equations of 3D Equilibrium
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440:221 Lectures School of Engineering, Fall 2009 Solving Problems 5
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440:221 Lectures School of Engineering, Fall 2009 1) Draw a FBD of particle O. 2) Write the unknown force as
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This note was uploaded on 09/12/2011 for the course ENG 221 taught by Professor P.sannuti during the Fall '09 term at Rutgers.

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Lecture+05 - 440:221 Intro to Engineering Mechanics:...

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