chapter 1-1

chapter 1-1 - CEE/ME 241 Engineering Mechanics-Statics...

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1 CEE/ME 241 Engineering Mechanics-Statics Session 02 Fall 2008 Course Instructor • Prof. A. Itani, Ph.D., P.E., F.ASCE • Office: SEM 130B • Office Hours: MF 4:00 pm-5:00 pm or by appointment.
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2 Course Student Helper •R . Da le – Study Sessions • Classroom TBA – Hours: TBA Course Objective Develop the ability to analyze Engineering Mechanics-Statics problems in a simple and logical manner and apply to their solution a few well understood basic principles.
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3 Science and Engineering • Science is the study of the physical world. Understand physical phenomena and develop mathematical laws and theories to describe them. • Engineering applies scientific knowledge to analyze and design creative solution to society needs. Scientists explore what exists…Engineers create what it can be… A. Einstein
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4 Engineering Mechanics Is a branch of Engineering Science that analyze objects that deals with motion and the effect of forces on gases, liquid and solid bodies ENGINEERING MECHANICS Statics Dynamics Rigid Bodies (Things that do not change shape) Deformable Bodies (Things that do change shape) Incompressible Compressible Fluids Mechanics
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5 STATICS Describe and Predict the rest condition of solid bodies under action of forces Statics Rules STATICS APPLICATIONS Usually such columns are wider at the bottom than at the top. Why? Is it because of the internal forces? If so, what are they and how do we determine them? A fixed column supports this rectangular billboard.
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6 STATICS APPLICATIONS For a given cable strength, what is the maximum weight that can be lifted ? APPLICATIONS Why are the beams tapered? Is it because of the internal forces? If so, what are these forces and how do we determine them? These beams are used to support the roof of this gas station.
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7 What may happen if static's is not applied properly? GROUP PROBLEM SOLVING Given: A 40 N force is applied to the wrench. Find: The moment of the force at O. Plan: 1) Resolve the force along x and y axes.
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chapter 1-1 - CEE/ME 241 Engineering Mechanics-Statics...

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