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Memo format and Force analysis

Memo format and Force analysis. Grading Policy of Memo. Format-50% Address TO : ENGR 100 D FROM : Cheng-Ling Chang (Brad) DATE : Jan. 07, 2009 SUBJECT : Proper Memorandum Style and Format Introduction Body-content Conclusion. Content -50%

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Memo format and Force analysis

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  1. Memo format and Force analysis

  2. Grading Policy of Memo Format-50% • Address TO: ENGR 100 D FROM: Cheng-Ling Chang (Brad) DATE: Jan. 07, 2009 SUBJECT: Proper Memorandum Style and Format • Introduction • Body-content • Conclusion Content-50% • Clarity:30% • Cobclusion:20% It is better to type it!!

  3. Force Analysis Force • Something that can move things in a straight line.  • Force has magnitude, direction and point of application (Where it works on). • Force can cause an object with mass to accelerate • Force can transfer energy • People usually use the "arrow" to represent the force.

  4. Parallelogram Method • Force is a vector. It can be decoupled or combined by the parallelogrammethod. • One force can be decoupled into two forces; tow forces can be combined into one force. They will still have the same effect. Parallelogram of force

  5. Moment • Something that can rotate things. Make it spin. • Moment also has magnitude, direction • Moment is a result from force that make thing rotate Moment=5in*10lbf=50(in*lbf) Fixpoint

  6. Forceandmomentbalance • Force and moment in the opposite direction can cancel out each other

  7. Forceanalysisoncantilever F Whenyoudesignyourbridge,thinkaboutmoment!!! F x F*x=Moment Moment x

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