Chapter 3

# Chapter 3 - ENGI 1400 Engineering Mechanics I STATICS...

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ENGI 1400 Engineering Mechanics I – STATICS Winter 2009 L. Liu, Civil and Resource Engineering Chapter 3-P1 Chapter 3 Equilibrium of a Particle ; WHAT YOU SHOULD LEARN & UNDERSTAND FROM THIS CHAPTER? ¾ How to draw the Free-Body Diagram (FBD) for a particle (in 2-D and 3-D force systems) ¾ How to solve particle equilibrium problems (2-D and 3-D) using the equations of equilibrium ; READING MATERIALS IN TEXTBOOK – CHAPTER 3 (All Sections 3.1 – 3.4) ; Fundamental RINCIPLES and APPLICATION EXAMPLES – throughout the whole course APPLICATIONS For a spool of given weight, what are the forces in cables AB, AC, and AD? For a given cable strength, what is the maximum weight that can be lifted? For a given weight of the lights, what are the forces in the cables? What size of cable must you use?

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