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# chapter9 - EML 3004C CHAPTER 9 Statics Dynamics and...

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Namas Chandra Introduction to Mechanical engineering Chapter 9-1 EML 3004C CHAPTER 9 Statics, Dynamics, and Mechanical Engineering

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Namas Chandra Introduction to Mechanical engineering Chapter 9-2 EML 3004C Objectives Understand the concept of a Vector Write a vector in component form Understand the concepts of a couple and moment Construct a free-body diagram of a physical system Sections 9.1 Introduction 9.2 The Concept of a Vector 9.3 Forces, Couples, and Moments 9.4 Equilibrium and Free-body Diagrams 9.5 Frictional Forces 9.6 Motion of a Rigid Body
Namas Chandra Introduction to Mechanical engineering Chapter 9-3 EML 3004C 9.1 Introduction Statics deals with bodies (Solid, Liquid, Gases) that are in equilibrium with applied forces. At static equilibrium, a body is at rest or in constant motion (no acceleration). Newton’s Law First: A body is at rest or in uniform motion (constant velocity) along a straight-line unless acted upon by some external (unbalanced) forces. Second: Every body accelerates in the direction of external forces. The acceleration is proportional to the magnitude of the force. Third: For every action, there is an equal and opposite reaction. Statics is critical in the study of bodies under forces in the design. Free body diagram isolates forces/bodies and is a critical tool.

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Namas Chandra Introduction to Mechanical engineering Chapter 9-4 EML 3004C 9.2 Concept of a Vector
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chapter9 - EML 3004C CHAPTER 9 Statics Dynamics and...

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