phy2048 lecture24

phy2048 lecture24 - 12-1 What Is Physics? 12-2...

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Unformatted text preview: 12-1 What Is Physics? 12-2 Equilibrium12-3 The Requirements of Equilibrium12-4 The Center of Gravity12-5 Some Examples of Static Equilibrium12-6 Indeterminate Structures12-7 ElasticityChapter 12:Equilibrium and ElasticityChapter 12 Homework1, 5, 7, 8, 9, 15, 20, 21, 27, 29, 33, 40Equilibriumandnetnet==FRotational MotionTranslational Motionconstantandconstant ==PLFixed axis (z),andnet,net,net,===yxzFFAbout anypoint Choose convenient x-yaxes Find xand ycomponentsApply the equationsChooseaxis(es) of rotationFind torque of each forceApply the equationDraw a free-body diagram: draw a sketch, identify all forces with their points of application and lines of actionSolve all equations simultaneously for the desired unknownsSteps for Solving Static Equilibrium Problems=Pstatic equilibriumThe Center of GravityggFxxgdmcog==gdmxgdmxcog=gdmFgconstantifcomcog===gxdmxdmxUniform Solid BodiesGeometric CenterSample Problem 12-1...
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This note was uploaded on 04/17/2008 for the course PHY 2048 taught by Professor Chen during the Fall '08 term at UNF.

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phy2048 lecture24 - 12-1 What Is Physics? 12-2...

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